Version 2.02.253 Changelog:Use Defraggler to defrag your entire hard drive, or individual files - unique in the industry. This compact and portable Windows application supports NTFS and FAT32 file systems.
Download:- Improvements to speed and accuracy of the search algorithm.
- Redesigned NTFS processes for optimized speed and memory.
- Improved event handling with Windows 7.
- Improved scheduling for non-admin users.
- Fixed issue that caused drive icons to disappear from the drive list.
- Fixed issue that caused the Analyze button to be incorrectly drawn during long tasks.
- Improved handling of long non-English strings in options dialog.
- Fixed issue with fragmentation percent when drive contains sparse files.
- Moved about dialog to a separate window.
- Improved error logging in Windows 7.
- Minor GUI changes and tweaks.
- Minor bug fixes.
http://www.piriform.com/defraggler/builds