How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Repair the Windows Search Indexer Service
If Windows Search stops returning results, takes forever to find files, or shows no results at al...
Fix Microsoft Store 'File Locked' Error When Installing or Updating Apps
When you try to install, update, or launch an app from the Microsoft Store, you might see an erro...
Fix 'Microsoft Teams Proxy Authentication Required' Error
You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...
How to Configure Proxy in Windows Terminal
If you need Windows Terminal to use a proxy server—for example, behind a corporate firewall or a ...
How to Fix Outlook 404 Not Found When Clicking Links
When you click a link in an Outlook email and see a '404 Not Found' error, it usually means the l...
Topic paths
Quick titles
SSH Publickey Error on Git PushOneDrive Port Already Allocated Error FixReal-Time Protection Won't Turn On in Windows SecurityChrome 502 Error After Profile Reset FixFixing Common PowerShell Backup Script ErrorsHow to Fix Chrome Profile Token Expired ErrorResolve Windows Update Error 0x80070643 UbuntuFix Windows Activation File Locked Permission Denied