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 listOneDrive Sync Not Starting After Update: How to Fix
After a OneDrive update, you might find that sync simply doesn't start. The icon may be missing f...
Windows 10 Activation Stuck on Checking Internet Connection
You're trying to activate Windows 10, but the activation screen keeps spinning on "Checking your ...
Fix Windows Update High CPU Usage When It Stops Working
If Windows Update is stuck and your CPU usage spikes to 100%, you're likely dealing with a hung u...
How to Fix Windows Update Certificate Trust Error
You see a message like "Windows could not search for new updates" or "An error occurred while che...
Outlook for Mac Search Not Working: Practical Fixes
If you’re typing in the Outlook for Mac search bar and getting no results (or stale results), it’...
Topic paths
Quick titles
Task Scheduler Loading Forever? Service Not Running FixTroubleshoot Outlook Access Denied to Mailbox FolderHow to Make Outlook Start Automatically When Windows BootsAndroid Chrome Connection Refused: How to FixStop Windows Terminal Rate Limit ErrorsResolve Windows Activation Permission Denied IssueFix Windows Terminal Path Not Found Permissions ErrorResolve Windows Update Pending Restart Not Appearing