How to Allow an App Through Windows Defender Firewall
If an app can't connect to the internet or network, Windows Defender Firewall may be blocking it....
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Outlook Setup Not Working
When Outlook setup fails or gets stuck, you usually see an error like “Something went wrong” or “...
Fix Windows 10 Update Stuck at 100%
You've waited through a Windows 10 update, only to see it stuck at 100% for an hour (or more). Th...
Fix PowerShell Not Opening After Windows Update
After a Windows update, you might find that PowerShell won't open at all—no window appears, or it...
Fix Windows Terminal 0x80070005 Authentication Error
When you launch Windows Terminal and see error code 0x80070005, it usually means an access denied...
Fix Windows Search Service High Memory Usage with Permission Denied Errors
If you see high memory usage by the Windows Search service (SearchIndexer.exe) along with permiss...
Topic paths
Quick titles
OneDrive Troubleshooting: Connection Refused Quick GuideNVM Troubleshooting Checklist for Windows UsersFix Chrome Profile Failed to Start in Safe ModeOneDrive Sync Conflict Troubleshooting ChecklistHow to Fix Chrome Update Error 0x80072ee2Troubleshoot OneDrive Sync Login LoopFix Windows Terminal Profile Reset After Cache ClearHow to Fix Remote Desktop Version Mismatch After Update