A powerful and simple disk defragmentation system tool for Windows

UltraDefrag

Browse by Company

Adobe, Apowersoft, Ashampoo, Autodesk, Avast, Corel, Cyberlink, Google, iMyFone, iTop, Movavi, PassFab, Passper, Stardock, Tenorshare, Wargaming, Wondershare

UltraDefrag 4.4.0 (64-bit)

  -  401.11 KB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of UltraDefrag 4.4.0 (64-bit).


For those interested in downloading the most recent release of UltraDefrag or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download UltraDefrag 4.4.0 (64-bit)

  • UltraDefrag 4.4.0 (64-bit) Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    UltraDefrag 4.4.0 (64-bit) Screenshot 1
  • UltraDefrag 4.4.0 (64-bit) Screenshot 2
  • UltraDefrag 4.4.0 (64-bit) Screenshot 3

What's new in this version:

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 the number of fragments even when there is no free space on disk to concatenate all fragments of the file.
- 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:
- call, man, type commands added to the boot time shell.
- echo, exit, pause, set commands improved.
- History of commands typed in interactive mode added. Use arrow keys for navigation.
- Escape key handler added to break boot time script execution and fall into interactive mode immediately.
- Pending boot-off boot time script command support added, this removes the limitation of boot-on/off not working before reboot/shutdown.
- Clearing of the failed boot flag added for reboot and shutdown at boot time.
- 10 seconds delay is skiped on boot time scan, if only one keyboard is present.

Command line interface:
- Corrected cluttered progress display if console output was redirected.

Translations:
- Added language selector to the GUI package.
- Hindi translation was added.
- The following translations were updated: Chinese (Traditional), Croatian, Danish, Dutch, French, Greek, Polish, Portuguese, Russian, Serbian, Swedish, Turkish.

Top Downloads

More Popular Software »