Delete DAE and Pro Tools preference files
See below for a utility that will do this for you automatically!
Start Menu > My Computer > Local Disk(C
or correct hard drive (click "show the contents of this drive" if the files aren't displayed) > Program Files > Common Files > Digidesign > DAE > Right-click on the DAE Prefs folder and delete.
Start Menu > My Computer > Local Disk(C
> Documents and Settings > "Your user folder" > Application Data > Right-click on the Digidesign folder and delete. (If the Application Data folder is not showing: Tools Menu > Folder Options > View Tab > Select "Show Hidden Files and Folders" > Click Apply and OK.)
- Delete the Digidesign Databases folders for all hard drives
This step can be useful when receiving random 'assertion' or 'neoaccess' errors, especially when recording or saving.
Start Menu > My Computer > Local Disk (C
> Digidesign Databases > Right-click on the Digidesign Databases folder and delete. Repeat for all hard drives.
Start menu > My Computer > Local Disk (C
> Program Files > Digidesign > Pro Tools > Databases > Right-click on the Volumes folder and delete.
http://duc.digidesign.com/showthread.php?t=133039