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 listFatal: Repository Not Found After Git Pull – Fixes
You run git pull and get fatal: repository not found. The repository ex...
Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...
How to Release a File Lock from a PowerShell Script
When a PowerShell script leaves a file locked—perhaps due to an incomplete read/write operation o...
Fix Microsoft Teams Connection Refused Due to Firewall Settings
When Microsoft Teams shows a 'connection refused' error, it usually means a firewall or proxy is ...
How to Fix the Chrome Profile File Locked Error
You try to open Chrome and get a message that says something like “Your profile could not be open...
Topic paths
Quick titles
Fix Microsoft Teams Connection Refused ErrorFix OneDrive Sync Failures Due to SSL Certificate IssuesHow to Fix Windows Update Error 0x80070643How to Automate File Backups Using Command PromptFix Chrome Sync Error 'Sign In Again' – Step by StepWindows Security Service Stopped – Antivirus FixClean Install Windows Update 404 Not Found SolutionFix Clear Cache CMD Errors in Windows