Fix Windows Security Service Unavailable Permission Denied
You open Windows Security and see 'Service unavailable' or 'Permission denied'. The app may not o...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Defender Firewall Blocking Internet Connection
If your internet stops working after a Windows update or firewall configuration change, Windows D...
Fix Microsoft Teams Connection Refused After Update
After a Microsoft Teams update, you might see a "connection refused" error when trying to sign in...
Remote Desktop Authentication Error: Quick Fixes
You try to connect to a remote PC, but instead of a desktop, you see an authentication error. Thi...
Fix Windows Update High CPU Usage and Service Not Responding
If Windows Update is consuming high CPU and the service stops responding, your system may become ...
Fix 'Command Prompt Run as Administrator Permission Denied'
You try to run Command Prompt as administrator, but you get a 'permission denied' or 'access deni...