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Frequently Asked Questions

This FAQ (Frequently Asked Questions) only has answers about MyDefrag v4.2.7.

General information

*  Support, helpdesk, address, contact info, etc. etc.
*  What is "disk fragmentation"?
*  What is "disk optimization"?
*  Why use MyDefrag instead of the standard Windows defragger?
*  Why use MyDefrag instead of a commercial or shareware defragger?
*  Does MyDefrag support RAID Disks, USB disks, floppies, memory sticks?
*  How safe is MyDefrag?
*  Why does MyDefrag not perfectly optimize my disk?
*  What are SpaceHogs?
*  What is the "Average end-begin distance"?
*  Will MyDefrag reduce the lifespan of my flash/SSD memory disk?
*  Are striped RAID volumes faster at their beginning?
*  Why a new scripting language?

Download and install

*  My virusscanner says MyDefrag is infected!
*  How to upgrade?
*  Is there an X64 version available?
*  Is there a no-install version available?
*  The screensaver does not work?
*  Is there a version for DOS, Windows 3/95/98/ME/NT, Linux, or Mac OS available?
*  How do I disable the Windows built-in defragger?
*  How much minimum free disk space does MyDefrag require?
*  Can MyDefrag do continuous background defragmenting?

Using

*  I have a problem!
*  What is the best defragmentation/optimization strategy for me?
*  Why do I have less diskspace after running MyDefrag?
*  Why do I have more diskspace after running MyDefrag?
*  Is it safe to stop MyDefrag?
*  I have stopped MyDefrag, but it remains running?
*  MyDefrag is very slow, what speed can I expect?
*  How to run MyDefrag for a single disk?
*  How do I defragment unmounted volumes?
*  How can I run MyDefrag automatically every day?
*  How to run MyDefrag at boot-time?
*  Can I run MyDefrag outside Windows?
*  How to use MyDefrag from a bootable CD-ROM or memory stick?
*  Can I "hide" the program from users?
*  How to start minimized, or maximized?
*  How to run with a lower priority?
*  Do I have to "checkdisk" before running MyDefrag?
*  What are the colors on the diskmap?
*  Why is MyDefrag so slow in Windows "safe" mode?
*  What is "NtfsDisableLastAccessUpdate"?
*  Why does MyDefrag delete my restore points?

How to handle special files

*  How do I defragment "C:\pagefile.sys" (the swapfile)?
*  How do I defragment "C:\hiberfil.sys"?
*  How do I defragment "C:\System Volume Information\...."?
*  How do I defragment "C:\$Extend\$UsnJrnl:$J:$DATA"?
*  How do I defragment "C:\$Extend\$RmMetadata\$TxfLog\$Tops:$T:$DATA"?
*  How do I defragment "C:\$Logfile"?