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0x00000104BSODCritical

0x00000104 — AGP Invalid Access | Blue Screen Fix Guide

AGP_INVALID_ACCESS

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x00000104 Mean?

An invalid access to AGP (Accelerated Graphics Port) memory was detected.

Real-World Causes

  1. 1GPU driver accessing AGP memory incorrectly
  2. 2AGP aperture configuration error
  3. 3Video driver bug

Symptoms

  • ⚠Blue screen with stop code AGP_INVALID_ACCESS
  • ⚠System reboots unexpectedly
  • ⚠Possible data loss from unsaved work

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Update graphics drivers
  3. 3Reduce screen resolution temporarily
  4. 4Disable hardware acceleration

Advanced Fix

For experienced users and IT professionals

  1. 1Analyze minidump for faulting GPU driver
  2. 2Use DDU to clean-install graphics drivers
  3. 3Test GPU with stress tools like FurMark
  4. 4Check GPU temperatures under load

Frequently Asked Questions

What causes AGP_INVALID_ACCESS?
An invalid access to AGP (Accelerated Graphics Port) memory was detected.
Can I fix AGP Invalid Access myself?
In many cases yes. Start with basic troubleshooting like restarting, updating drivers, and running System File Checker. If the issue persists, advanced analysis of crash dumps may be needed.

Related Error Codes

0x00000105AGP GART Corruption0x00000106AGP Illegally Reprogrammed

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.