It appears to be an issue related to Verdasys Digital Guardian Endpoint software - dgfsmon.sys and fltmgr.sys. Symantec Enginering is still investigating the issue to see if we are related to the issue. Customer reported when the drive was not encrypted the problem goes away.
It could possibly be related to our Netshare driver. But there is no confirmation on this yet.
Symantec Corporation is committed to product quality and satisfied customers. This issue is currently being considered by Symantec Corporation to be addressed in a forthcoming version or Maintenance Pack of the product. Please be sure to refer back to this document periodically as any changes to the status of the issue will be reflected here.
The following is a known temporary workaround for the issue until the version/maintenance pack is released:
Decrypt the volume using the PGP Whole Disk Encryption recovery image recorded to a CD-R. Reboot into safe mode after decryption. Run chkdsk c: /f. Reboot boot into safe mode again and run sfc /scannow. Reboot the machine. Now the system should be operable again.
Or another option is to reimage the machine
Windows 7 64-bit Enterprise Edition
Lenovo T400, T410, and T420 models
BSOD issue on Windows 7 64-bit with Lenovo T400, T410 and T420 models
Imported Document ID: TECH205564
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