ERROR_COMPRESSED_FILE_NOT_SUPPORTED 0x8007014F

Error code 335 · HRESULT 0x8007014F

WINDOWS

An operation is not supported on a compressed file.

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_COMPRESSED_FILE_NOT_SUPPORTED is a Windows error code (system error 335, returned as HRESULT 0x8007014F) reported by Windows. Its official message is: “An operation is not supported on a compressed file.”

How to fix ERROR_COMPRESSED_FILE_NOT_SUPPORTED

  1. Verify the path/file actually exists and is not blocked by antivirus quarantine
  2. Reinstall the application that raised the error to restore missing files
  3. Check the full path spelling (long paths >260 chars need a registry opt-in)

Related errors

ERROR_RESIDENT_FILE_NOT_SUPPORTEDERROR_DIRECTORY_NOT_SUPPORTEDERROR_NOT_REDUNDANT_STORAGEERROR_INSTALL_ALREADY_RUNNINGRPC_S_SERVER_UNAVAILABLEWSAEACCESWSAEADDRINUSEWSAECONNABORTED

Source: Microsoft WinError.h

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