Fix PuTTY Connection Refused: Check SSH Service
When you see 'Connection refused' in PuTTY, it usually means the SSH server on the remote machine...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Sync Pending Changes Not Uploading
If your OneDrive shows "Pending changes" that never upload, you're not alone. This typically happ...
Fix Putty Connection Refused on Port 22
You try to connect to a remote server with Putty on port 22, but you get 'Connection refused'. Th...
Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
Fix OneDrive High CPU Usage After Update
After a recent update, you might notice OneDrive using an unusual amount of CPU, slowing down you...
Outlook Slow on Windows 10: Configuration Tips to Speed Up
If Outlook feels sluggish on Windows 10—taking forever to start, search, or send emails—the probl...
Topic paths
Quick titles
Step-by-Step: Setup Windows Defender Network Protection for BusinessGitHub SSH Host Key Error: Fix and VerifyFix Windows Security Access Denied for Administrator AccountHow to Fix Microsoft Store Log File ErrorsHow to Resolve Windows Defender Proxy ProblemsTroubleshooting Outlook Email Sending TimeoutsPowerShell High CPU After Update FixHow to Fix Windows Security DNS Error 0x800704cf