0x8007045ASystemHigh

Error 0x8007045A — DLL Init Failed (ERROR_DLL_INIT_FAILED) | Windows System Error Fix

Windows 11Windows 10Windows 8.1

What Does 0x8007045A Mean?

A dynamic link library (DLL) initialization routine failed.

Real-World Causes

  1. 1Corrupted DLL file
  2. 2Insufficient system resources during DLL initialization
  3. 3DLL version incompatibility
  4. 4Antivirus blocking DLL loading

Symptoms

  • Applications fail to start
  • Error referencing DLL initialization failure
  • Multiple programs affected if a system DLL is involved
  • Windows features stop working

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart the computer
  2. 2Run 'sfc /scannow'
  3. 3Reinstall the affected application
  4. 4Update Visual C++ Redistributable packages

Advanced Fix

For experienced users and IT professionals

  1. 1Use Process Monitor to identify which DLL fails initialization
  2. 2Run 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. 3Perform in-place upgrade repair if system DLLs are affected

Frequently Asked Questions

How is this different from ERROR_MOD_NOT_FOUND?
ERROR_MOD_NOT_FOUND means the DLL file is missing entirely. ERROR_DLL_INIT_FAILED means the DLL was found and loaded, but its initialization code (DllMain) returned failure. The DLL exists but cannot set up properly.

Related Error Codes

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.