Frequently Asked Questions

MyDefrag

Frequently Asked Questions

This FAQ (Frequently Asked Questions) only has answers about MyDefrag v4.3.1.

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 to run a different script per disk?
 *  How do I defragment unmounted volumes?
 *  How do I schedule a task, to run 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"?