Fix Windows Security Service Failed to Start Error 0x80070422
You see the error "Windows Security service failed to start" with code 0x80070422. This usually m...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Microsoft Teams Auto Start Not Working After Update
If Microsoft Teams no longer launches automatically after you sign in to Windows, an update likel...
Fix Windows Security Path Not Found After Update
After a Windows update, some users see a 'path not found' error when opening Windows Security. Th...
Fix OneDrive Permission Denied Error During Sync
You try to sync files in OneDrive and get a "permission denied" error. This usually means OneDriv...
How to Fix BitLocker Auto-Unlock Not Working
If BitLocker auto-unlock stops working, you're prompted for a recovery key or password each time ...
Fix Apache Not Starting: Port 80 Already in Use
When Apache fails to start with the error (98)Address already in use: AH00072: make_sock: c...
Issue queue
SitemapBitLocker Recovery Key Not Accepted? Fix TPM Issues
PowerShell Blank Screen No Cursor – Practical Fixes
PowerShell Script Log File Setup Checklist
Reduce SearchIndexer.exe High CPU and RAM Usage
How to Sync Windows Defender Settings Between Devices
How to Verify PowerShell Version for Scripts
Troubleshoot Remote Desktop Connection Refused
Microsoft Store Error 502 After Windows Update – Fix
How to Refresh an OAuth Token in Command Prompt
Windows Activation Backup and Restore Tutorial
Fix Chrome Profile File Locked Error (Code 0x887A0006)
How to Fix Chrome Profile Permission Denied
PowerShell Blank Screen No Cursor – Practical Fixes
PowerShell Script Log File Setup Checklist
Reduce SearchIndexer.exe High CPU and RAM Usage
How to Sync Windows Defender Settings Between Devices
How to Verify PowerShell Version for Scripts
Troubleshoot Remote Desktop Connection Refused
Microsoft Store Error 502 After Windows Update – Fix
How to Refresh an OAuth Token in Command Prompt
Windows Activation Backup and Restore Tutorial
Fix Chrome Profile File Locked Error (Code 0x887A0006)
How to Fix Chrome Profile Permission Denied