◆Error Codes Wiki

Windows Error 0xC0000005 — Access Violation

Errorapplication

Overview

Windows error 0xC0000005 (Access Violation) means an application tried to read or write memory that it does not have permission to access.

Key Details

  • STATUS_ACCESS_VIOLATION — most common app crash error
  • Application tried to access protected memory
  • Can affect any Windows application or game
  • Often related to corrupted files or compatibility issues

Common Causes

  • Application bug causing invalid memory access
  • Corrupted application files or DLLs
  • Incompatible application with current Windows version
  • DEP (Data Execution Prevention) blocking legitimate code

Steps

  1. 1Reinstall the application completely
  2. 2Run application in compatibility mode (right-click > Properties)
  3. 3Add DEP exception for the application if appropriate
  4. 4Update Visual C++ Redistributables and .NET Framework

Tags

windowsapplicationaccess violationwindows-errorfix

More in Application

windows-C000007B-bad-image-formatWindows Error 0xC000007B — Bad Image Format
Error
windows-C0000142-application-init-failedWindows Error 0xC0000142 — Application Init Failed
Error
windows-SxS-Error-side-by-side-configuration-errorWindows Error SxS-Error — Side-by-Side Configuration Error
Warning
windows-DLL-Missing-dll-not-foundWindows Error DLL-Missing — DLL Not Found
Warning
windows-app-runtime-r6025Windows Runtime Error R6025 — Pure Virtual Function Call
Warning
windows-app-runtime-r6034Windows Runtime Error R6034 — Manifest Error
Warning

Frequently Asked Questions

The program tried to read or write memory it is not allowed to use, causing Windows to terminate it.