How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender 502 Bad Gateway Error: Configuration Guide
If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...
Fix Outlook Authentication Failed: App Password Not Working
If you're seeing an authentication failed error in Outlook and your app password...
Fix Outlook Service Unavailable After Update
You open Outlook after a recent update and see “Service Unavailable” or “Cannot start Microsoft O...
Fix PowerShell Clipboard Access Denied Error
When you try to copy text to the clipboard in PowerShell and get an 'Access Denied' error, it usu...
Fix Microsoft Teams Connection Refused After Update
After a Microsoft Teams update, you might see a "connection refused" error when trying to sign in...
Issue queue
SitemapMake CMD Open Automatically When Windows Starts
Essential Chrome Settings for New Users
How to Fix Outlook Email Setup Invalid Configuration
Remote Desktop Security Configuration Checklist
Remote Desktop Version Mismatch: Troubleshooting Steps
Resolve permission denied in systemd services
How to Resolve Task Scheduler Event Log Hang
Troubleshoot Netsh Command DNS Reset Failures
Outlook Reset Wiped My Folders: Fix
Troubleshooting BitLocker Windows Hello Link Failure
How to Fix Chrome Profile After Ubuntu Update
Chrome File Locked by Sync – Troubleshooting Guide
Essential Chrome Settings for New Users
How to Fix Outlook Email Setup Invalid Configuration
Remote Desktop Security Configuration Checklist
Remote Desktop Version Mismatch: Troubleshooting Steps
Resolve permission denied in systemd services
How to Resolve Task Scheduler Event Log Hang
Troubleshoot Netsh Command DNS Reset Failures
Outlook Reset Wiped My Folders: Fix
Troubleshooting BitLocker Windows Hello Link Failure
How to Fix Chrome Profile After Ubuntu Update
Chrome File Locked by Sync – Troubleshooting Guide