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Win32 Error 1368 (ERROR_CANNOT_IMPERSONATE): Meaning & Checks

1368 is an application or api context result. Microsoft’s system-code table describes this value as: “Unable to impersonate using a named pipe until data has been read from that pipe.”

Code reference and safe checks

Read the exact screen and operation before selecting a repair. This page does not run commands or collect files, keys or logs.

What this value means

Microsoft’s system-code table describes this value as: “Unable to impersonate using a named pipe until data has been read from that pipe.”

ERROR_CANNOT_IMPERSONATE is a Win32 system result, usually returned to an application or API caller. It is not a Windows blue-screen code or a diagnosis of the whole PC.

Identity and provenance of 1368
Code1368
Hex form0x558
SymbolERROR_CANNOT_IMPERSONATE
Windows familyWin32 system codes
Source levelMicrosoft code and symbol entry

Safe next steps

  1. For 1368 (ERROR_CANNOT_IMPERSONATE), identify the application and precise action that returned the value. Win32 system codes can be propagated from a deeper component.
  2. Read the full application message and related logs; use the publisher’s support documentation for that operation.
  3. A number alone does not justify replacing hardware, editing the registry, or reinstalling Windows.

After one step, repeat the original operation and record whether this same code returns. A different code needs a fresh interpretation.

What this code cannot prove

The source establishes the identifier and reference meaning. It does not establish the cause on your specific PC.

If the result differs from the documented message or a repair could remove data, stop and use the official source or vendor support.

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Official reference and verification

Source type: Microsoft code and symbol entry. Checked against the source set on Nov 2, 2026.

Open the source reference ↗

The reference gives the meaning of this identifier. It does not inspect your PC or guarantee that one repair will work.