Fix 'Windows Defender Firewall Has Blocked' Error
You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Disable Git SSL Certificate Verification Temporarily
If you see an error like fatal: unable to access '...': SSL certificate problem: unable to ...
Fix Microsoft Store Error by Changing DNS Settings
If the Microsoft Store won't load, shows error 0x80131500, or fails to download apps, a DNS issue...
Fix Windows Defender 502 Bad Gateway Error: Configuration Guide
If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...
Fix Git Clone Permission Denied (publickey) Error
When you run git clone and see Permission denied (publickey), it usuall...
How to Fix Windows Update Error 0x80070005 Access Denied
When you see Windows Update error 0x80070005 with the message "Access Denied," it us...
Topic paths
Quick titles
Troubleshooting Windows Defender 504 TimeoutHow to Reset Chrome Proxy SettingsWindows 10 Task Scheduler Auto Start Not Working? Fix ItTroubleshoot BitLocker 0x8031003e Version MismatchResolve npm EACCES Permission Error for Global InstallsBitLocker Recovery Key Failed After Loading HangWindows Search Service Access Denied TroubleshootingHow to Fix VirtualBox Kernel Driver Permission Denied on Linux