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 listEnable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...
Fix Microsoft Teams Grey Screen After Update
After a recent Microsoft Teams update, many users encounter a grey screen when launching the app....
Why PowerShell Is Slow to Respond and How to Fix It
If you've noticed that PowerShell takes several seconds to start or that commands hang before ret...
Fix Microsoft Teams Stuck on Loading with Error Code 0xca
If Microsoft Teams gets stuck on the loading screen and shows error code 0xca, the app can't star...
How to Fix Chrome Profile SSL Certificate Error
You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...
Topic paths
Quick titles
Windows Activation Loop? Use Safe Mode to Fix LoginHow to Fix Chrome High Memory Usage on Windows 10Microsoft Store Error 0x80073cf0 Troubleshooting GuideWindows Update Option Disappeared? Try These StepsFix OneDrive Sync Permission Denied on Windows 11How to Fix Windows Defender Service Won't StartResolve Java Classpath Conflicts in Command PromptHow to Clear a Stuck OneDrive Sync Queue