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UltraDefrag is a powerful disk defragmentation tool for Windows. It is the first open source defragmenter with full support of system locked files defragmentation. Actually all files including registry hives and paging file can be processed by UltraDefrag during the Windows boot process.

UltraDefrag is very fast, because the defragmenting is done by the kernel-mode driver.

Here are some key features of "UltraDefrag":

Boot Time Defragmentation :

· This feature provides an ability to defragment any system files. Including page file, registry hives, hiberfil.sys file and many other files locked by the system or other applications when windows is fully running.

Computer Shut Down after a job has completed :

· We all know how long a defragment or a compact job can take. All of us most of the time leave the PC unattended while it does its job. With this option you can set UD to shutdown the PC after a job has been completed. This saves electricity and avoids many hazards.

Fast Disk Optimization:

· The optimizer rearranges all data and places them to the beginning of the drive. In many instances we have found that the system is more stable and performs a lot better under load if data is placed at the beginning of the drive.

Single File and Folder Defragmentation :

· After UltraDefrag installation you have the ability to select any file or folder and deframent them. This option is mostly useful if you have recently installed an application or a game and would like to have them defragmented immediately for maximum performance.

Extended and Customizable G.U.I :

· UltraDefrag allows you to customize its graphical user interface such as Font and its sizes. It adapts to the windows theme you are using. Unlike Vista and other versions of Windows Defrag, UD shows a graphical representation of the hard drive like it did on older generation Windows.

Defragment Scheduler :

· Select precise times when you want UltraDefrag to run using the scheduler and perform defragmentation tasks.

What's New in This Release:

GUI:

· Progress is now added to the GUI window caption, so it is displayed in the tooltip of the taskbar icon.

· Cryptic single character progress label was replaced by the localized operation names.

Driver:

· Partial defragmentation was added to decrease number of fragments even when there are no free space on disk to hold all fragments of file together.

· Volume optimization algorithm was improved to prevent useless additional optimization passes.

· One little bug preventing optimization from being stopped was fixed.

· Volume optimization algorithm was improved to prevent skipping heavily fragmented parts of the volume.

Boot time interface:

· 10 seconds delay is skiped on boot time scan, if only one keyboard is present.