MyDefrag 4.2.6 (Freeware)

MyDefrag (formerly JKDefrag) is a disk defragmenter and optimizer for Windows 2000/2003/XP/Vista/2008/X64. Completely automatic and very easy to use, fast, low overhead, with several optimization strategies, and can handle floppies, USB disks, memory sticks, and anything else that looks like a disk to Windows.

Included are a Windows version, a commandline version (for scheduling by the task scheduler or for use from administrator scripts), a screensaver version, a DLL library (for use from programming languages), versions for Windows X64, and the complete sources.

HOMEPAGE: www.mydefrag.com
TYPE: (Freeware)
DOWNLOAD: MyDefrag 4.2.6
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SIZE: 1.92 MB
GOOGLE HITS: 200k +
MyDefrag 4.2.6 Features:

• Much faster.
• Totally automatic, extremely easy to use.
• Optimized for daily use.
• Disk optimization, several strategies.
• Directories are moved to the beginning of the disk.
• Reclaims MFT reserved space after disk-full.
• Maintains free spaces for temporary files.
• Can defragment very full harddisks.
• Can defragment very large files.
• Can defragment individual directories and files.
• Can be run automatically with the Windows Scheduler.
• Can be used from the commandline.
• Can be used as a screen saver.
• Can be run from cdrom or memory stick.
• Sources available, can be customized. 

 MyDefrag 4.2.6 Improvements:

• Changed the script chooser so that now all disks are deselected by default.
• Fixed a problem in the calculation of the beginning and end of a zone. The gap that PlaceNtfsSystemFiles() makes for the NTFS reserved area was sometimes counted twice, causing the next zone to start too far up.
• Changed the syntax so that number multipliers (such as MB and Gi) can now be used with floating-point numbers, not only integer numbers.
• Added the RoundDown() function for calculating numbers.
• Added extra debugging code in an attempt to find the reason why the screensaver sometimes crashes.
• Changed the default debug level to zero.
• Fixed a bug in MakeGap() and AddGap() that sometimes caused the program to crash.
• Fixed a bug in the calculation of the ZoneSize number.