Encryption stops and the SafeGuard Enterprise Base Encryption Viewer states
Error occurred. The detail pane states
Error Type: Encryption, SGN Error: 3604 ...
Note that since SafeGuard Enterprise 5.35, bad sector handling has been improved so it is less likely that encryption will stop because of defective HDD.
Known to apply to the following Sophos product(s) and version(s)
SafeGuard Device Encryption
All supported Operating Systems
What To Do
Run a chkdsk with all versions of SafeGuard Enterprise.