REGISTRY_FILTER_DRIVER_EXCEPTION (0x135)
What is this error?
A registry filter driver generated an unhandled exception. Antivirus and security software commonly use registry filters.
Common causes
- antivirus registry monitor bug
- security software conflict
- registry cleanup tool
- malware registry hook
How to fix it
- Identify and update the security software
- temporarily uninstall antivirus
- scan for malware
Too many steps? Crashless can diagnose this automatically — checks your drivers, temps, VRAM, and 400+ known error patterns.
Get free AI diagnosis Detailed analysis
Bug check 0x00000135 (REGISTRY_FILTER_DRIVER_EXCEPTION) occurs when a registry filter driver (a driver that monitors and intercepts registry operations) generates an unhandled exception. Antivirus software is the most common user of registry filters — they monitor registry changes for malware behavior. Fixes:
- Check the minidump for the faulting registry filter driver (.sys file),
- If it belongs to an antivirus: update or uninstall the antivirus,
- If it belongs to a registry cleanup tool (CCleaner, etc.): uninstall it,
- Run malware scan — some malware hooks the registry via filter drivers,
- If antivirus uninstall fixes it: switch to Windows Defender or a different antivirus.
When to seek help
If this error keeps happening after trying the fixes above, it may point to a deeper hardware or system issue. Consider professional help if:
- The crash occurs across multiple games or applications
- You see the same error after a clean Windows install
- Your PC is less than a year old (could be a warranty issue)
- You smell burning or hear unusual sounds from your PC
Or let Crashless do the deep analysis for you -- our AI checks drivers, temps, event logs, and 400+ known patterns automatically.
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