ERROR_CORRUPT_SYSTEM_FILE 0x8007027A

Error code 634 · HRESULT 0x8007027A

WINDOWS

The system file … has become corrupt and has been replaced.

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_CORRUPT_SYSTEM_FILE is a Windows error code (system error 634, returned as HRESULT 0x8007027A) reported by Windows. Its official message is: “The system file %1 has become corrupt and has been replaced.”

How to fix ERROR_CORRUPT_SYSTEM_FILE

  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)
  4. Run Windows Memory Diagnostic (mdsched.exe) to exclude failing RAM
  5. Recent kernel memory faults usually trace to drivers — update graphics and chipset first
  6. Check the crash dump in C:\Windows\Minidump with WinDbg to identify the module

Related errors

Source: Microsoft WinError.h

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