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 Windows Defender Can't Connect to Microsoft Server
When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...
Fix Windows Search Permission Denied in Windows 11
You type a query into the Start menu or File Explorer search box, but instead of results, you get...
Fix Outlook Access Denied to Archive PST File
When you see "Access denied" while trying to open an archive PST file in Outlook, it usually mean...
Apache Service Not Starting After Update: Common Fixes
After a system update, Apache may fail to start. This often shows as an error message when runnin...
Outlook Token Expired When Sending Email: Fixes & Checks
You're composing an email in Outlook, hit Send, and get an error about an expired token. This usu...
Topic paths
Quick titles
Microsoft Teams 404 Error: Causes and FixesAntivirus Blocking Outlook Port? Here's the FixHow to Fix Windows Security Dependency Conflicts That Break SyncOneDrive Setup Hangs on Connecting to AccountHow to Fix PowerShell Access Denied Script ErrorsHow to Configure pgAdmin Server ConnectionTroubleshooting PostgreSQL Password Failed on LocalhostTroubleshooting Outlook 0x8004010f in Backup/Restore