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 listBitLocker Offline Installer Compatibility Checklist
You have the BitLocker offline installer on a USB drive, but when you try to run it, nothing happ...
How to Fix PowerShell Module Not Found Error
When PowerShell reports a module not found error, it usually means the module isn't installed, is...
Fixing Windows Security 502 Bad Gateway Errors
If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...
Fix Windows Security Connection Refused Due to Antivirus Blocking
You try to open Windows Security or run a scan, and get a 'connection refused' error. Often this ...
How to Fix VS Code Terminal 'Permission Denied' in PowerShell
When you open the integrated terminal in VS Code and run PowerShell commands, you might see a 'pe...
Topic paths
Quick titles
Android WireGuard Handshake Not Working GuideResolve Windows Update Access Denied ErrorsFix PowerShell Connection Timeout Due to Firewall SettingsHow to Enable Windows Defender Real-Time ProtectionFix Outlook Proxy Connection ErrorsDiagnosing and Fixing Docker Container Restart LoopsChrome Profile Version Mismatch FixTroubleshoot Windows Terminal Font Issues