ERROR_GUID_SUBSTITUTION_MADE 0x800702A8

Error code 680 · HRESULT 0x800702A8

WINDOWS

During the translation of a global identifier (GUID) to a Windows security ID (SID), no administratively-defined GUID prefix was found. A substitute prefix was used, which will not compromise system security. However, this may provide a more restrictive access than intended.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_GUID_SUBSTITUTION_MADE is a Windows error code (system error 680, returned as HRESULT 0x800702A8) reported by Windows. Its official message is: “{GUID Substitution} During the translation of a global identifier (GUID) to a Windows security ID (SID), no administratively-defined GUID prefix was found. A substitute prefix was used, which will not compromise system security. However, this may provide a more restrictive access than intended.”

How to fix ERROR_GUID_SUBSTITUTION_MADE

  1. Run the affected program as administrator (right-click → Run as administrator)
  2. Check permissions on the target resource: Properties → Security → your account
  3. Check Event Viewer → Windows Logs → Security for the matching audit entry

Related errors

ERROR_MEDIA_CHECKERROR_STOPPED_ON_SYMLINKERROR_RXACT_COMMIT_NECESSARYERROR_INVALID_DATAERROR_WRITE_PROTECTERROR_NOT_READYERROR_CRCERROR_GEN_FAILURE

Source: Microsoft WinError.h

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