Fix Windows Defender Update Error 0x80070005
You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix pip SSL Certificate Error in Python on Windows, macOS, Linux
You run pip install somepackage and get an SSL certificate error: certificate ...
Fix Microsoft Store App Not Opening on Startup After Update
After a recent Windows update, you might find that certain Microsoft Store apps—like Mail, Calend...
Fix Chrome Update Error 12 on Windows 10
If you see "Update failed (error: 12)" when trying to update Google Chrome on Windows 10, the upd...
How to Set Up Windows Security Proxy Settings
If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...
Fix Windows Activation Command Not Found After Update
After a Windows update, you might run into a situation where the activation command (like s...
Topic paths
Quick titles
Reduce SearchIndexer.exe CPU Usage via RegistryHow to Fix Docker Compose Port Already Allocated ErrorResolve OneDrive DNS Error 0x8004de4aTroubleshoot Windows Defender Can't Scan Folder Due to PermissionsHow to Fix DNS Errors by Setting Up Windows DefenderMac Teams Calendar Sync TroubleshootingWindows Security 502 Bad Gateway: Troubleshooting ChecklistResolve Node Version Conflict in package.json