Backup aborted! - Unable to lock <volume>, Please reboot and retry
This error can be generated during a backup operation when VSS fails to create a snapshot and the alternate Paramount Software snapshot (pssnap.sys) driver fails to start.
|This issue can only occur on 32 bit XP and Vista based operating systems.|
The following solutions are available:
Ultimately it is advisable, and highly desirable, to get VSS working correctly on the computer that you are attempting to backup.