By default, DVDFab places the Output and Temporary directories in your Documents (Vista) or My Documents (XP) folder. If you don’t want your boot drive filling up with ripped DVD’s, you can change it to be on another drive.
1. Open DVDFab.
2. At the top of the DVDFab window, click the left most button (the one with a sun on it).
3. Select Common Settings.
4. In the left pane of the Common Preference window, select General.
5. To change the Output directory, click the button right after its current path and browse to the new location.
6. To change the Temporary directory, click the button right after its current path and browse to the new location.
7. Click OK.