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 listWindows Defender Service Not Starting: Fixes and Checks
When Windows Defender won't start, you might see an error like "Windows Defender service can't be...
How to Fix Microsoft Store Proxy Server Errors
If you see a proxy server error when opening Microsoft Store, it usually means the app can't reac...
How to Stop a systemd Service Restart Loop
You run systemctl status and see the service flipping between 'activating' and 'fail...
Fix Windows Search Error 0x80070490: Cannot Connect
If you see "Windows Search cannot connect" with error code 0x80070490, it usually means the Windo...
How to Fix High Memory Usage from Windows Activation in Windows 10
If you notice your Windows 10 system is using a lot of memory and you suspect it's related to act...
Topic paths
Quick titles
Fix OneDrive Not Launching at LoginBitLocker Rate Limit Error: Causes and FixesFix Windows Activation Cache CorruptionHow to Fix BitLocker Can't Connect to External Hard DriveFix Windows Security Error 404 After UpdateFix OneDrive Not Syncing Due to File Name Too LongPowerShell 504 Gateway Timeout Proxy FixFix Putty Connection Refused on Port 22