SymptomsAfter upgrading to Parallels Desktop 6, Windows will not start due to:
"Windows\system32\drivers xxx.sys file is missing" error message
Blue Screen error (BSOD) with a STOP error message
"Disk read error" error message
ResolutionPlease try to repair Windows installation as described in the following KB articles:
Windows Vista / 7:
In the event that the repair is unsuccessful please try to restore your virtual machine from a backup, or contact Parallels Technical support.