Fix PuTTY Network Error: Connection Refused on Ubuntu
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Search 504 Gateway Timeout and Network Reset
You run a Windows search and get a 504 gateway timeout, often after a network reset or VPN change...
Fix Windows Search Login Loop on Windows 11
You try to use Windows Search, but it keeps asking you to sign in again and again—even after you ...
How to Fix OpenVPN Certificate Verification Failed
You see "certificate verification failed" when connecting to an OpenVPN server. This usually mean...
How to Fix Outlook Service Unavailable Error
When Outlook shows a 'service unavailable' error, you usually cannot send or receive emails. This...
Fix Chrome Auto-Start Not Working on Windows 10
If you've set Chrome to open when you log into Windows 10 but it doesn't start, the issue is usua...
Topic paths
Quick titles
Stop Windows Defender from Using Too Much CPUFix UFW Port Closed After Adding Allow RuleFix OneDrive Error 0x8004de40: Sync Not WorkingResolve Error 0x80244022 in Windows UpdateOneDrive Not Syncing Due to Proxy SettingsFind Windows Activation Log FilesFix Microsoft Store Error 0x80073cf0: Step-by-StepFix Microsoft Teams Installation Hang at 90%