Delete DAE and Pro Tools preference files
1. 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.
2. 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
1. Start Menu > My Computer > Local Disk (C

> Digidesign Databases > Right-click on the Digidesign Databases folder and delete. (Repeat for all hard drives.)
2. Start menu > My Computer > Local Disk (C

> Program Files > Digidesign > Pro Tools > Databases > Right-click on the Volumes folder and delete.
http://www.digidesign.com/index.cfm?...4&itemid=25974