How to Fix Windows Defender Connection Refused Error
If you see a 'connection refused' message when opening Windows Defender or updating virus definit...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix Windows Security Network Error 0x800704cf
When you open Windows Security and see error 0x800704cf, it usually means the app can't reach its...
Fix Windows Defender Real-Time Protection Greyed Out
If you open Windows Security and find the real-time protection toggle greyed out, you can't click...
Fix Windows Search 502 Bad Gateway After Update
After a recent Windows Update, you might see a “502 Bad Gateway” error when using Windows Search....
Fix 'Connection Refused' Errors in Command Prompt Due to Permissions
When you see 'connection refused' in Command Prompt, it usually means the remote server rejected ...
Fix Outlook High Memory Usage After Windows 11 Update
After a Windows 11 update, Outlook may start using excessive memory (RAM), causing slowdowns or c...