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....
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender Update Fails with Connection Timeout Error
You open Windows Security, click to update virus definitions, and after a long pause see "Connect...
Fix 'Windows Activation Key Not Accepted' Error
You enter a valid Windows product key and get an error saying it's not accepted. This is frustrat...
Fix Microsoft Teams Slow Startup by Disabling Hardware Acceleration
If Microsoft Teams takes a long time to load or feels sluggish when you first open it, hardware a...
Windows Search 502 Bad Gateway Reset Steps
You search for a file or setting in Windows, and instead of results you see a 502 Bad Gateway err...
Windows Activation Service Unavailable on New Computer
You just set up a new computer, but when you try to activate Windows, you see an error that the a...
Issue queue
SitemapTask Scheduler High CPU Fix for Background Tasks
Fix Outlook Restore Problems After Backup
Fix Outlook Calendar Not Syncing with iPhone
Troubleshoot Windows Terminal Profile Access Denied
How to Get Windows Terminal on Mac with Parallels
OneDrive Not Syncing on Windows 10: Troubleshooting Guide
How to Fix Windows Security File Locked Permission Denied Error
Fix OneDrive Sync Not Working After Windows 11 Update
Resolve Windows Activation Hanging in Safe Mode
How to Fix Chrome Sync Authentication Failed
How to Get Microsoft Store Downloads Working Again
BitLocker Connection Timeout Troubleshooting Checklist
Fix Outlook Restore Problems After Backup
Fix Outlook Calendar Not Syncing with iPhone
Troubleshoot Windows Terminal Profile Access Denied
How to Get Windows Terminal on Mac with Parallels
OneDrive Not Syncing on Windows 10: Troubleshooting Guide
How to Fix Windows Security File Locked Permission Denied Error
Fix OneDrive Sync Not Working After Windows 11 Update
Resolve Windows Activation Hanging in Safe Mode
How to Fix Chrome Sync Authentication Failed
How to Get Microsoft Store Downloads Working Again
BitLocker Connection Timeout Troubleshooting Checklist