Error SDE1104 and SDE1601 when uninstalling Sophos SafeGuard Disk Encryption

  • Article ID: 109221
  • Updated: 28 May 2009

Sophos SafeGuard Disk Encryption 4.60

Client OS

Windows 2000 Professional SP4, Windows XP SP3

Server OS



How to solve these errors?


When trying to uninstall Sophos SafeGuard Disk Encryption, the error messages SDE1104 and SDE1601 appear after entering the Sophos SafeGuard Disk Encryption logon credentials.

Then it’s not possible to continue the uninstallation process.

Check whether the registrykey


is missing the "Sgeflt" entry.

Solution: Enter the valid value "Partmgr Sgeflt" in the above mentioned registry entry. Make sure the Sgeflt entry comes immediately after PartMgr.

After rebooting the system, try to uninstall again.

Keywords: uninstall sde1104 sde1601 1104 1601 sde SGERMD

If you need more information or guidance, then please contact technical support.

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