How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Terminal 404 Not Found Error Code
If you're seeing a '404 Not Found' error when launching Windows Terminal, it usually means the ap...
Fix Microsoft Store Authentication Failed Due to App Permissions
You try to sign in to the Microsoft Store and see "Authentication failed" or "Something went wron...
Checklist for Fixing Windows Defender Dependency Conflict
If Windows Defender refuses to start or update with an error about a dependency conflict, it's of...
Fix Microsoft Store Error 0x80073cf3: Service Unavailable
When you see error code 0x80073cf3 in the Microsoft Store, it usually means the Store can't reach...
Fix Windows Activation Command Not Found or Permission Denied
When trying to activate Windows using the command line (slmgr.vbs or slui), you might see errors ...
Topic paths
Quick titles
Resolve Windows Terminal Settings.json 404How to Resolve Windows Security Rate Limit Error 0x80070005Fix Microsoft Store Not Starting Automatically in Windows 11Windows 10 Update Error 0x800f0922 SolutionsResolve Outlook Loading Profile ErrorHow to Resolve Windows Update Certificate ErrorsWindows Update 504 Gateway Timeout: Causes and FixesPermission Denied File Locked Windows Security