"At last a simple to understand comprehensive guide to get my XP sorted, where have you been all my life? From the bottom of my heart I thank you, my wife who suffers every time this dam magic box expires thanks you my children, my dog and my cardiologist thanks you." - Peter A. "Your guide is excellent, and a breath of fresh air in a mire of info on the web about such topics. Clear, concise and you get results. Far, far better than hacking the registry and causing all kinds of problems. It's the only guide I will recommend to anyone else wanting to better the default performance of XP. So a massive thank you for all your hard work." - Stephen B. "This is without question the most comprehensive troubleshooting website I have ever used. The new additional information/guides cover ALL PC issues. I would like to get my props to the entire Optimize XP team. The web page layout is both user friendly and well thought out. There have been many web sites that I have visited in the past several years to gain greater insight to security and PC performance. I have found this to be without question the most trusted." - J. Max "Excellent work - Thank you for help!" - Dmitry "Great job on the web page. It really helped me after a reformat and saved me tons of stress. Keep up the good work. Going to be recommending this site to everyone I know." - Ericheis "Just wanted to say how lucky I feel to have stumbled upon your web site. I just recently switched from Windows 2000 to XP Pro. and the info that is provided by you guys is nothing short of perfect. Your site is complete, easy to read and follow, and has all the necessary links to get everything done. Just wanted to say thank you." - Jason T. "Great site and has a world of great info for the uninformed. You do a super service for those of us who are not so smart, thanks" - Joe "Web site is outstanding! Perhaps the best I've seen - good work. I didn't make a quarter of the way down the page before I bookmarked it!" - Kerry "By far this is the most thorough example of good web resource. I have never experienced a web site that offers such good information about how to streamline MS XP. Thanks so much for the good information." - Lex "Your optimize XP guide is great. Very complete and easy to read, understand, and follow. Some of the items I was aware of and have been using, such as Avast and Spybot-SD, but much of it was new to me. Thank you." - Nick C. "TCP Slowdown Fix I have been pulling my hair out on this one. Thank you. Thank you. Thank you." - S. Whitley "You are one gnarly dude! Excellent advice/reference material. Thank you very much!" - Alex "This web site layout is clear and concise. Easy to follow, and clean. The information is excellent, and although I do not run Windows XP, it would seem that if I had a problem, this site would be the first place I would go. I am adding it to my "Favorites" anyway." - J. Williams "After spending years researching and becoming addicted to XP security, related software and performance I was absolutely amazed at this site. It is spot on! I even learnt a couple of things and your advice is extremely well researched. I was intending on creating a page to help with these issues....it's bin done. Excellent work excellent!" - Jon "Too cool!!! Too cool!!! I don't know how to put it, this site RUCKING FOCKS!!!!!" - Michael B. "Great site. I really appreciate what you've done here." - Gary W. "I'm very picky about what is truly useful information, after 17 years of PC configurations. Yet, this website could possibly be one of the finest I've encountered. Well done!" - Steve "I just wanted to say that your website is great. Well designed, and full of great information. I've updated my Windows XP machine with the tweaks you mention, and it hums along more beautifully now than ever!" - B.J. "Great Website. Very nice easy layout" - J.P. "Just wanted to drop a quick note to say thanks for the great website you've put together. My family has been calling in the favors big time recently and I've setup 6 XP systems for them in the last 2-3 months. Your Optimize XP page has really been a godsend. Thanks for all the work you have put into it." - Scott G. "FINALLY! A web-site for a true thriving perfectionist! Thanks, this website is fantastic!" - Steven "I have been in the computer business for over ten years. This website by far since the release of windows XP is the best site I have found for maintenance. Great Job." - Sam T. "I, just today, stumbled upon your website and I have to say that you are offering GREAT tips for Windows customization. Keep up the GREAT work. Regards" - Don R. "I really appreciate the time you took to detail the most comprehensive XP tweak list I've seen. I especially enjoyed finding out that Diskeeper does a much better job than Disk Defragmenter. The links to download the free programs included right on the page was a nice touch too. Very well done and I will be recommending your site to friends and family." - Shane W. "Happy to have found your site. I have not found a better site for tips on XP." - John K. "I salute your site with standing ovations! Lots of goodies for a IT-support-technician like me! Thank you! Thank you!" - Bosse "Loved your site! I've used most of these tools for my own purpose and found some new cool ones which I hadn't. This is a great site for power users." - Kapil "Do this twice a year and it's like buying a new computer." - Vuzman "Everything I found at this site did it all. I was very happy to see that the performance in my computer did improve a lot, I'd say by 30% or more. My computer was running very sluggish at times, and when running games i was unhappy with loading times. After reviewing and following all the directions step by step, I was able to get my computer running the way it should have been running thanx to Andrew for his work, time and effort to bring to users this information to help us all have a healthier and more reliable computer. A++++++ x 1,000" - Kevin D. "This is the real deal. Thanks for cutting through all the crap and making this great info available in one well organized place. I just built / installed a new XP based system for myself and followed much of your recommendations. I'm an IT degree holder and work in IT, yet I still found many of your performance and security info invaluable." - Keelian "I must say... your web page is probably one of the most complete and most informative web sites I have ever seen. Please keep up the good work!" - Matthew G. "I just found your website. This is one of the most useful sites I have found in a very long time. I like the organization, the short direct summaries of the free software, the overall completeness of the topics covered, and the clean and simple design. Thanks for taking the time and effort to author this wonderful site. Keep it up!!" - Anand "Excellent job on your website. It saved so many headaches for me. I can't believe all that great content is in one place! Keep it updated!" - Juandiego "VERY NICE job on the site. I never knew there was a site out there with some much relevant / unbiased information regarding the XP issues covered in your site." - Oliver I. "Thank you for all the information in the optimization and myths articles!" - Adrian "I used your tweaks on my XP and the system is running great. Thank you for your article." - Larry "Thanks for a brilliant guide to optimizing Windows." - Gary W. "I have to say this to whomever it was that compiled this exhaustive list!!! THANK YOU!!! THANK YOU!!! THANK YOU!!! This is absolutely the best advice I have ever seen about getting the most juice out of XP! All backed up with relevant files under each heading!!! Simply Beautiful! Some things I already knew, but seriously, accept my thanks for all the hard work in doing this!!!" - Mark M. "Thank you so much, the best website i have ever seen by some considerable distance. My PC is running like it has an amphetamine chip built in. My downloads are faster, my PC runs better, my gaming is better. Thank you, Thank you, Thank you!" - Johan "Thank you for the excellent material at Secure XP + Optimize XP. The links to sources were especially appreciated, very handy and important to get an understanding of the why behind a step." - Bryan "I was just browsing the Internet, and I cannot even begin to explain to you how lucky and grateful I am to have stumbled onto your page "Optimize XP"!! Very recently I reformatted my computer for the first time. My computer was running faster than the day I got it. I didn't think my computer could go any faster, unless I overclocked my processor. Anyway, I read your entire guide, and went through every step that applied to me in any way. My theory was shattered! Now my computer is *BLAZING*! I have sent your site to all my friends, and have even assisted them in optimizing their computers. Your site is perhaps the most useful site I've ever found for computer maintenance. So I wanted to personally thank you for taking your time to publish information out there to help the world!!" - Matt P. "Thanks for a wonderful documentation with the Optimize XP page. I have been using it for over a year now and the information in it keeps getting better." - Eric Z. "This is a gesture of congratulations on your website. I have search the Internet for years, ever since the release of "Win. XP". Your site is truly unique and informative. Giving the pros and cons of "Win. XP" like no other! I can feel your integrity coming through." - Glen L. "Love the website. I've used it several times on different computers. Many thanks for the effort in putting together this web page." - Keith S. "I visit your Optimize XP site regularly. It has helped me a lot in keeping my system healthy. I've also suggested it to several friends complaining about system problems." - Marnix T. "Very helpful article. Exactly what I was looking for." - Gunnlaugur L. "Thank you for a great set of guides! Using your guides has allowed me to get more speed out of my system without overclocking. Your guides are truly remarkable for the depth of information, and the links to helpful utilities they provide! Kudos!" - David C. "I really, I mean REALLY appreciate your obvious very hard work in putting together this site. Your tips and tricks have helped me and I tell everyone I know to use your guides. Thank you for your time and trouble in putting together the best and easiest set of tools on the web." - Chuck F. "I love making windows run as fast as possible, but without applying any "dangerous" tweaks such as tampering with BIOS settings etc. Please continue with the "safe" tweaks." - David "I'd like to say that your website is THE best site for tweaking a computer into a safe and speedy machine. I think it should be referred to as the universal standard of securing a computer and optimizing it. Ever since I went through your site my computer has been much faster, and much safer.The Internet speeding programs really did boost up my DSL connection speed, from about 45KBps downloading to about 80KBps, as a matter of fact!! I've been tweaking my computer so that it could perform to its full potential, by reading different posts from people on forums and Blogs. But NOTHING came close to your site, where I feel very comfortable and safe using the methods that you offer because I know my computer won't mess up with anyone of them and that they reversible." - Usman A. "I have spent months trying every tweak and optimize program I could find, and none of them could even come close to the results I achieved using your guide! My Laptop is now a joy to use and I'm still amazed at the difference your guide has made, as are the people with whom I've shared this "Secret". The fact that its free still astounds me. Wonderful!!!" - Klaus G. "Normally I am not a person that sends an email to compliment someone for his valuable information on his website. In this case I find that it is appropriate to do. Your site is very helpful, not only because you tell what to do, but especially why it is important (or not). My thanks," - Jan Z. "I've used this site on multiple occasions after reformatting XP can't just dropped by to say thanks for the amazing work you've done. I really appreciate all the time and effort you put into this incredibly valuable resource. You're awesome!" - Jacob "I wanted to thank you for your website, such a goldmine for technical issues with Windows XP Pro!!! My favorite tweak was the TCP/IP one. I used to do this "manually" with regedit, but this program you linked on your website is way more accurate and time saving!" - Isaac S. "I have followed some of your suggestions and my laptop runs much smoother! I had a Low virtual memory problem, and this was the reason for which I started digging the Internet for solutions. I love your site and strongly recommend it! You have very simple solutions, and the thinking behind is deep and correct." - Daniela S. "Andrew, thank you so much for your Optimize XP site. I came across speed up and optimize Windows XP articles and have been applying them as I don't know anything about programming so I am learning as I go. I found your site and it is the most comprehensive I've seen. I've applied many of your recommendations and my system functions way better." - Violet P.

Optimize XP - A Windows XP Optimization Guide

Optimize Windows XP to improve home, work and gaming performance safely.

Read and follow the instructions carefully. This guide is not designed to be used in combination with other Windows tweaking guides or other Windows tweaking software. Before using this guide make sure all of your data is backed up. Viruses and Spyware can cause service pack installations to fail, make sure you have run through Step 1 completely before proceeding.

Windows XP is still supported by Microsoft through April 8, 2014

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Step 1 - Malware Removal

Malware Removal Guide

Clean Adware, Rootkits, Spyware, Trojans, Viruses and Worms. Malware is short for malicious software. It is a general term that refers to any software or program code designed to infiltrate or damage a computer system without the owner's informed consent. This guide will show you how to remove these infections and protect yourself from future infections using free software.

FACT: 89% of consumer PCs are infected with Spyware

Malware infection is the #1 security issue facing Windows users.

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Step 2 - Windows Update

Windows Update

Install All of the updates. Not just the critical ones. This may have to be run multiple times. Run it over again until it says 0 updates available. Non-critical updates are essential for improved performance, compatibility and enhanced features. They are all very safe to install.

Windows Update requires the following services be enabled in Windows XP:

- Automatic Updates - Automatic
- Background Intelligent Transfer Service - Manual or Automatic

Service Pack 3 is a cumulative update that includes all of the fixes and updates from the previous service packs. It is highly recommended you install it for optimum performance and error free operation.

- List of fixes that are included in Windows XP Service Pack 3 (Microsoft)
- Steps to take before you install Windows XP Service Pack 3 (Microsoft)

Note - Microsoft Windows Journal Viewer can sometimes conflict with Adobe Acrobat Reader when you open .PDF files, Error: "An installation package for the product Microsoft Windows Journal Viewer cannot be found." If this is happening uninstall The Microsoft Windows Journal Viewer, go to "Start", "Settings", "Add or Remove Programs". The Journal Viewer is only needed to read Journal files created on a Windows XP Tablet Edition PC. It is highly unlikely you will ever need to read these.

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Step 3 - Drivers

Windows Drivers

Update your drivers using the Windows Driver Guide. Installing the latest Drivers improves system performance and application compatibility. Updated drivers include numerous bug fixes as well as system optimizations. It is recommended for optimal system stability to only use Official drivers and not Beta or Prerelease versions. Performance differences between driver versions including Beta or Pre-release drivers is negligible. The only time Beta or Prerelease drivers should be considered is when a serious application bug is fixed in the Beta or Prerelease version and the component manufacturer has not yet released the Official driver version that includes the bug fix.

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Step 4 - Tweaks

Visual Effects
Default Windows XP visual settings may look nice but they slow down system responsiveness. Here is how to keep the "look" of Windows XP while losing the sluggish feel.

Instructions - Go to "Start", "Settings", "Control Panel", "System", "Advanced" tab, in the "Performance" section select "Settings". Leave only the following checked:

√ Show shadows under menus
√ Show shadows under mouse pointer
√ Show translucent selection rectangle
√ Smooth edges of screen fonts
√ Use drop shadows for icons labels on the desktop
√ Use visual styles on windows and buttons

Then select "Apply" and "OK". - Source

ClearType - If you have a Flat Panel Display (Notebook, LCD, Plasma) you will notice improved font display quality enabling ClearType over traditional forms of font smoothing or anti-aliasing. ClearType improves readability on color LCD displays with a digital interface, such as those in laptops and high-quality flat panel displays.

Instructions - Go to "Start", "Settings", "Control Panel", "Display", "Appearance" Tab, "Effects" button, check "Use the following method to smooth edges of screen fonts", select "ClearType".

The Paging File
Windows XP by default uses a System managed paging file that works well and it is highly recommended to leave it alone.

"In modern operating systems, including Windows, application programs and many system processes always reference memory using virtual memory addresses which are automatically translated to real (RAM) addresses by the hardware. Only core parts of the operating system kernel bypass this address translation and use real memory addresses directly. Virtual Memory is always in use, even when the memory required by all running processes does not exceed the amount of RAM installed on the system. All processes (e.g. application executables) running under 32 bit Windows gets virtual memory addresses (a Virtual Address Space) going from 0 to 4,294,967,295 (2*32-1 = 4 GB), no matter how much RAM is actually installed on the computer. In the default Windows OS configuration, 2 GB of this virtual address space are designated for each process' private use and the other 2 GB are shared between all processes and the operating system. Normally, applications (e.g. Notepad, Word, Excel, Acrobat Reader) use only a small fraction of the 2GB of private address space. The operating system only assigns RAM page frames to virtual memory pages that are in use. RAM is a limited resource, whereas virtual memory is, for most practical purposes, unlimited. There can be a large number of processes each with its own 2 GB of private virtual address space. When the memory in use by all the existing processes exceeds the amount of RAM available, the operating system will move pages (4 KB pieces) of one or more virtual address spaces to the computer's hard disk, thus freeing that RAM frame for other uses. In Windows systems, these "paged out" pages are stored in one or more files called pagefile.sys in the root of a partition."

- RAM, Virtual Memory, Pagefile and all that stuff (Microsoft)

Default - Windows XP will automatically set the paging file to the following size based on how much RAM is in your system.

Less than 1GB of RAM
- Initial size (MB): 1.5 x the amount of RAM in your system
- Maximum size (MB): 3.0 x the amount of RAM in your system (32-bit PF Size Limit = 4095 MB)

More than or equal to 1GB of RAM
- Initial size (MB): 1 x the amount of RAM in your system
- Maximum size (MB): 3.0 x the amount of RAM in your system (32-bit PF Size Limit = 4095 MB)

- What is the Page File for anyway? (Microsoft Performance Team)

Notes - A properly configured paging file will not resize (increase) so long as the Initial size is set large enough and you have not run out of available RAM. Allowing the paging file to resize is recommended for unforeseen memory intensive situations and will prevent "Out of Memory" error messages from occurring. Any resizing will reset to the default Initial size upon reboot and will not cause any permanent fragmentation of the paging file. Setting the Initial size too large has no negative impact on system performance except to waste disk space if it is not used. Since disk space is usually plentiful it is safer than setting it too small. All arguments about setting the paging file smaller are to conserve disk space and have nothing to do with performance. A permanent solution to this is to add more RAM to your system. It is a good idea to have at least 1 GB to 2 GB of RAM in a PC today. A simple test to determine if you need more RAM is to use you PC for a whole day without rebooting, then look at the Task Manager (Ctrl-Alt-Delete), Performance tab. If the "Commit Charge - Peak" is ever higher than the "Physical Memory - Total" your system could benefit from adding more RAM. When you change the amount of RAM in your system with a System managed paging file, Windows XP will automatically adjust the paging file size for you.

Optimization - If you have more than one Hard drive in your computer you can create a second paging file on the other physical Hard drive, which will increase paging file performance. Windows uses an internal algorithm to determine which paging file to use for optimal virtual memory management.

- How to configure paging files for optimization and recovery in Windows XP (Microsoft)

Solid State Drives (SSD) - Most pagefile operations are small random reads or larger sequential writes, both of which are types of operations that SSDs handle well. In fact, given typical pagefile reference patterns and the favorable performance characteristics SSDs have on those patterns, there are few files better than the pagefile to place on an SSD.

- Support and Q&A for Solid-State Drives (Microsoft)

Disable Indexing Service
The Indexing Service in Windows XP indexes your files presumably to shorten the time needed to search your hard drive if you are looking for a specific file or part of a phrase inside a file. However, the constant indexing of files actually slows down system performance by using a lot of pagefile space and CPU time. - Source

Instructions - To disable the Indexing Service go into "My Computer", right-click on all your hard drive partitions one at a time, left-click "Properties". Uncheck "Allow Indexing Service to index this disk for fast file searching". Select "Apply changes to sub folders and files". If any files cannot be updated select "Ignore All".

Increase the Mouse Pointer Speed
By default Windows sets the Mouse Pointer Speed to an average speed, which can slow down the time it takes to move the cursor around the screen. Increasing this will allow you use your computer quicker and more efficient with less mouse movement.

Instructions - Go to "Start", "Settings", "Control Panel", "Mouse", "Pointer Options" tab, under "Motion" adjust the slider 1 to 5 steps closer to "Fast". Only 1 to 3 steps is recommended. Then check "Enhance pointer precision" and select "OK".

Notes - This is a personal preference and should be decided by the user. The tab that the Motion setting will be under can change with third party mouse drivers. Novice Windows users or users with Motion Disabilities will not want to adjust this much, if at all. Cheap and worn out mice can give poor responsiveness, it is recommended to be using a precision optical mouse. Microsoft Optical Mice are highly recommended.

Prefetcher Fix - Download
Prefetching is a new feature in Windows XP that dramatically improves initial application load times and Windows boot times automatically. The slower your system and the larger an application, the more Prefetching helps. Even high end systems benefit from prefetching with large, slow loading applications, such as large games. By default Prefetching is enabled in Windows XP and already configured optimally. However there is a lot of misinformation regarding this feature and bad "tweak" programs on the Internet that can disable prefetching and cripple your application load times. Find out more in XP Myths. Windows Prefetching requires that the Task Scheduler service be running and set to Automatic. The other Prefetcher settings have to be set in the Registry, this file will do this all for you. - Source

Instructions - Download, unzip and run the "Prefetcher Fix.reg" file and reboot. This will restore the Windows Prefetcher to it's default and optimal state. It will also set the Task Scheduler Service to Automatic.

- Task Scheduler - Automatic

Then use Windows Explorer and look in the C:\WINDOWS\Prefetch folder. You should see a file name for any application you have started since Prefetching was enabled. Never clean this folder or disable Windows Prefetching with any "tweaks" as you will cripple your application load times and Windows boot times by as much as 100%. The Prefetch folder and layout.ini files are self-cleaning when it reaches 128 entries down to the 32 most used applications. No user intervention is ever necessary. Once you have confirmed it is running leave it alone. Anyone who claims otherwise does not understand how Windows XP Prefetching works.

Solid State Drives (SSD) - SSDs that perform adequately on random reads and do not have glaring performance issues with random writes or flushes can benefit from having prefetching disabled. Some first generation SSDs had severe enough random write and flush problems that ultimately lead to disk reads being blocked for long periods of time. With prefetching enabled, performance on key scenarios was markedly improved.

- Support and Q&A for Solid-State Drives (Microsoft)

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Step 5 - Utilities

Autoruns - Download - Home Page
Utility to display and control startup applications. Disabling unnecessary startup applications improves boot up time and overall system performance.

Instructions - Unzip and launch Autoruns.exe, wait until it says "Ready" in the bottom left corner, then select the "Logon" tab. Next select "Options", check "Hide Microsoft Entries" and press the refresh button or press the "F5" key. The remaining items are third party applications. Uncheck all that are not needed, this will disable them from loading at Windows startup. AntiVirus and Firewall applications are necessary applications that should be running on startup. If you are unsure of what something is, highlight it, select "Entry", then "Google" to launch a search for more information regarding the highlighted application. You can permanently remove items by deleting them. Do not "Delete" anything unless you are 100% positive you do not need it. Disabled (Unchecked) items can be activated again by rerunning Autoruns, checking the item and restarting Windows.

Notes - You can control the startup applications for separate user accounts by selecting "User" and the account you want to edit. This is a much more powerful tool than the built-in System Configuration Utility (msconfig).

Disk Defragmenter - Home Page - (Unnecessary if Diskeeper is installed)
Built-in Windows defragmenter, a lite version of Diskeeper. File system performance is maximized when files are contiguous on the disk. This means that all of the data in each file would be located consecutively on the Hard Drive. Instead of fragmented into separate parts all over the disk surface, causing the Hard Drive to work harder (slower) to read and write your files. While "Disk Defragmenter" is better than nothing it does not fully optimize your hard drive performance, runs 300-500% slower, cannot be scheduled without a third party application and includes no advanced features. Since the built-in "Disk Defragmenter" is very I/O intensive your system is not usable while it is running. There are no Free Defragmenters that do a better job, in which case you have to purchase a Commercial Defragmenter such as Diskeeper.

Instructions - Double-click "My Computer", right-click the local disk volume that you want to defragment, Example: Local Disk (C:), and then left-click "Properties". On the "Tools" tab, select "Defragment Now", then "Defragment". The following service needs to be enabled:

- DCOM Server Process Launcher - Automatic

Alternate - Go to "Start", "Run", type "Dfrg.msc". Select the volume that you want to defragment, then select "Defragment".

Solid State Drives (SSD) - SSDs perform extremely well on random read operations, defragmenting files isn't helpful enough to warrant the added disk writing defragmentation produces.

- Support and Q&A for Solid-State Drives (Microsoft)

+ StartDefrag - Download - Home Page - (Unnecessary if Diskeeper is installed)
Automates the scheduling of the built-in Disk Defragmenter to run at a set time everyday or once a week.

Instructions - Install and run. Select the "Configuration" tab, under "Scheduled Day" either select a specific day during the week or "Everyday". Then under "Scheduled Hour" select a time when you will not be on the computer but the computer will be on. This is important since the built-in Disk Defragmenter will consume most of the system's resources while running and will not be usable until it is finished. Finally select "Save Changes" and "Exit".

Notes - Do not use this with Diskeeper, which includes a much more advanced and efficient real-time scheduling option. If you install Diskeeper delete the StartDefrag scheduled task and uninstall StartDefrag. To delete the scheduled task, go to "Start", "Programs", "Accessories", "System Tools", "Scheduled Tasks" and delete the task. If it is the only scheduled task listed it will be called "AT1".

+ PageDefrag - Download - Home Page - (Unnecessary if Diskeeper is installed)
Defragment the paging file and the Registry. "One of the limitations of the Windows 2000/XP defragmentation interface is that it is not possible to defragment files that are open for exclusive access. Thus, standard defragmentation programs can neither show you how fragmented your paging files or Registry hives are, nor defragment them. Paging and Registry file fragmentation can be one of the leading causes of performance degradation related to file fragmentation in a system."

Instructions - Download, Run, Look at the "Fragments" column if any of the items is in more than one fragment select "Defrag at next Reboot", then "Ok" and Reboot.

Notes - If you readjust the paging file size, rerun PageDefrag, otherwise this only needs to be run once. On badly fragmented hard drives with a lot of files, PageDefrag may take a long time to run, be patient and let it finish.

Diskeeper - Diskeeper Home - $29.95 / Diskeeper Pro - $59.95 / Diskeeper Pro Premier - $99.95 / Comparison Chart

Diskeeper is the full, automatic version of the limited built-in "disk defragmenter". Now over seven generations newer, it includes enhanced features that Defragment your computer automatically, faster and more thoroughly. The High Speed Defragmentation Engine runs 300-500% faster than the built-in "disk defragmenter". Real-Time Defragmentation automatically handles fragmentation as it occurs with no drain on system resources. InvisiTasking technology allows Diskeeper to run invisibly, keeping your PC defragmented while you are using it - you will never even know Diskeeper is running. Power Management for laptops prolongs battery life by suspending background defragmentation while on battery power. Diskeeper offers the best performance of all commercial defragmenters. Hard Drives are the slowest component in your PC, do not let Disk Fragmentation slow it down even more.

"If you want increased disk performance and speed, install Diskeeper on all your systems."
- John Iasiuolo (Computer Outlook Radio Show) - Diskeeper Testimonials

This graph shows how fragmented your Hard drive can get after just two weeks of using only Internet Explorer and Microsoft Word.

IZArc -