Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Remote Desktop Gateway Timeout Error 504
You're trying to connect to a remote desktop through your organization's gateway, but after a lon...
Fix Windows Update Error 0x80070002
When Windows Update fails with error 0x80070002, it usually means the update installer can't find...
BitLocker 404 Not Found: Fix Command Line Errors
If you see a "404 not found" error when running BitLocker commands from the command line, it usua...
Chrome 502 Bad Gateway Error: Practical Fixes
You're browsing and suddenly get a 502 Bad Gateway error in Chrome. The page won't load, and you'...
Fix 'Permission Denied' When Running Windows Activation on Ubuntu
If you're trying to activate Windows from Ubuntu and see a 'permission denied' error, you're like...
Topic paths
Quick titles
Microsoft Store High Memory & Error 0x80073cf0 FixTroubleshoot Windows Terminal High CPU UsageTeams High Memory Usage Fix Not RespondingFix PowerShell Script Execution Policy ErrorHow to Fix Missing File Activation Error in WindowsHow to Sync Windows Terminal Settings Across PCsTroubleshooting Windows Security 404 Not FoundHow to Fix Teams Invalid Certificate Error