Fix Windows Defender Missing After Update
After a Windows update, some users find that Windows Defender is missing from the system tray, Se...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix 'Windows Security Cannot Connect to Microsoft Defender' Error
When you open Windows Security and see the message 'Windows Security cannot connect to Microsoft ...
Fix Windows Update Error 0x80070005: Permission Issues
When Windows Update fails with error 0x80070005, it usually means the update process doesn't have...
Fix Windows Defender Can't Connect to Internet Error
If Windows Defender shows “Can’t connect to the internet” or similar errors, it usually means the...
Fix Windows Security Proxy Error After Update
After a Windows update, you might see a proxy error in Windows Security (formerly Windows Defende...
How to Fix a systemd Service Restart Loop
You start a systemd service and it immediately restarts, or it runs for a few seconds and then re...