Windows Defender Service Troubleshooting Checklist
If Windows Defender won't start, won't update, or shows error messages like "Service stopped" or ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesConfigure Proxy Settings for Windows Update
If Windows Update fails to check for updates or downloads get stuck, a misconfigured proxy is a c...
BitLocker Recovery Key Not Accepted in Windows 10: Fixes
You're locked out of your drive, you type in the 48-digit recovery key, and Windows 10 says it's ...
Fix SQL Server Connection Refused Error in CMD
When you try to connect to SQL Server from the command line (using sqlcmd or another...
Fix Microsoft Store Version Mismatch Permission Denied Error
You try to install or update an app from the Microsoft Store and see an error about version misma...
Fix 'Permission Denied' When Updating Microsoft Store Apps
You try to update an app from the Microsoft Store, but get a 'permission denied' error. The updat...
Issue queue
SitemapFix Command Prompt Instead of Desktop Windows 10
Windows Defender High Memory Usage: Error 0x80070002 Fix
Fix Windows Update Command Line Issues Windows 10
Teams Hangs on Loading: Troubleshooting Guide
Troubleshoot BitLocker Access Errors
Fix 0x80070005 Windows Update Access Denied
Resolve SSL Certificate Error in Windows Activation
Windows Terminal Version Error Troubleshooting
Troubleshoot Microsoft Teams Proxy Issue
OneDrive Search Sync Problem Solution
Windows Terminal Permission Denied: Common Fixes
Fix Windows Activation SSL Certificate Error Permanently
Windows Defender High Memory Usage: Error 0x80070002 Fix
Fix Windows Update Command Line Issues Windows 10
Teams Hangs on Loading: Troubleshooting Guide
Troubleshoot BitLocker Access Errors
Fix 0x80070005 Windows Update Access Denied
Resolve SSL Certificate Error in Windows Activation
Windows Terminal Version Error Troubleshooting
Troubleshoot Microsoft Teams Proxy Issue
OneDrive Search Sync Problem Solution
Windows Terminal Permission Denied: Common Fixes
Fix Windows Activation SSL Certificate Error Permanently