Fix Windows Defender Service Not Starting (Error 404)
If you see error 404 when trying to start Windows Defender, it usually means the service executab...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Command Prompt Not Opening in Ubuntu
If you click the terminal icon or press Ctrl+Alt+T and nothing happens, you're not alo...
Fix Windows Defender Error 0x80070422 Step by Step
When you see Windows Defender error 0x80070422, it usually means the Windows Defender service isn...
Fix OneDrive Stuck on 'Resolving Changes' Error
You open OneDrive and see 'Resolving changes' stuck for minutes or hours. Files won't sync, and t...
Fix 'pip install Permission Denied' on Windows
When you run pip install somepackage on Windows and get a Permission Denied<...
Fix Windows Terminal Startup Folder Not Working
You set a custom startup folder in Windows Terminal, but it keeps opening to the default location...
Topic paths
Quick titles
Resolve Windows 10 Activation Permission IssuesTroubleshooting PowerShell WinRM Connection RefusedEnable PowerShell Remoting Step by StepHow to Unlock Files for Windows UpdateTroubleshoot Chrome DNS Not ResolvingHow to Fix Access Denied Errors in WindowsFix Microsoft Store Permission Denied Error: Reset PermissionsMicrosoft Store Update Stuck at 0%: How to Fix