Knowledge base for software setup, errors, and daily tool work.

Windows Terminal Connection Refused: Troubleshooting Checklist

When Windows Terminal shows 'connection refused', it usually means the terminal couldn't establis...

Troubleshooting Slow PowerShell Module Loading

If you notice PowerShell taking several seconds to start or import modules, the delay often comes...

Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

How to Fix Windows Defender DNS Error

You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...

Why Command Prompt Stuck on Opening? Fixes to Try

You double-click Command Prompt, the window appears briefly, then vanishes — or it just hangs wit...