UltraDefrag est un logiciel qui permet de défragmenter rapidement et avec efficacité les fichiers système de vos disques durs.

Fonctionnalités :
- Pour un gain de temps, possibilité d'inclure ou d'exclure des fichiers ou dossiers non déplaçables du processus.
- Choix d'ignorer certains fichiers dont la taille est trop importante.
-Possibilité de défragmenter votre disque dur au démarrage de l'ordinateur (peut être utile pour les fichiers récalcitrants).

Autres versions disponibles :
- UltraDefrag pour Windows XP, Vista, 7 - Server 2003, 2008 (64-bit)

Historique des changements :
Version 5.0.2 2012-01-31
- representation of disk clusters on the cluster map was improved
- one little bug in MFT Zone redraw was fixed
- registry is now queried for the number of installed keyboards to guarantee detection of all installed keyboards
- Installer: forced default action for .luar files to be "view"
- the following translations were added:
Bosanski, Arabic
- the following translations were updated:
Dutch
- some additions to the intro and GUI section of the documentation
- PDF version of the documentation is now available as separate download

Version 5.0.1 2012-01-08
- few important bugs in disk processing routines were fixed
- few bugs in MFT optimizer were fixed
- one bug causing boot time interface freeze after "Good bye..." message was fixed
- the following translations were updated:
Finnish, Indonesian, Italian
- some additions to the tips, FAQ and GUI sections of the documentation