Fix 'Windows Security Cannot Connect to Microsoft Defender' Error
When you open Windows Security and see the message 'Windows Security cannot connect to Microsoft ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Enable DNS over HTTPS in Chrome
If you've noticed that your browser seems to be leaking DNS queries or you want to prevent your I...
Fix Remote Desktop Blank Screen and Disconnect Issues
You connect to a remote desktop, see only a black or blank screen, and then the session drops. Th...
How to Enable Windows Search Service in Windows 10
If Windows search is not working—no results appear when you click Start or File Explorer—the Wind...
Fix Microsoft Teams 502 Bad Gateway from Proxy Settings
If you see a 502 Bad Gateway error in Microsoft Teams, it often points to a proxy or network conf...
Fix Windows Security Antivirus Not Turning On
You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...
Issue queue
SitemapWindows 10 Microsoft Store Log File Path
Outlook Throttling Error Checklist
PowerShell High CPU After Update Fix
Troubleshooting PuTTY Connection Refused Post-Reboot
Fix Slow Chrome by Clearing Browser Cache
How to Fix Cache Action Permission Denied on GitHub
Docker Container Restart Loop from Health Check
PowerShell Log File Locations on Windows 10/11
Fix OneDrive Error: Dependency Conflict and Permission Denied
Fix BitLocker Path Not Found in Registry
PowerShell Timeout Script for Network Connections
How to Fix OneDrive Sync Conflict Error
Outlook Throttling Error Checklist
PowerShell High CPU After Update Fix
Troubleshooting PuTTY Connection Refused Post-Reboot
Fix Slow Chrome by Clearing Browser Cache
How to Fix Cache Action Permission Denied on GitHub
Docker Container Restart Loop from Health Check
PowerShell Log File Locations on Windows 10/11
Fix OneDrive Error: Dependency Conflict and Permission Denied
Fix BitLocker Path Not Found in Registry
PowerShell Timeout Script for Network Connections
How to Fix OneDrive Sync Conflict Error