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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a proxy connect...

Fix Chrome Profile Authentication Failed on Windows 10

You open Chrome on your Windows 10 PC and get an error saying "Profile authentication failed." Th...

Fix Laravel Artisan Command Not Found on Ubuntu

Fix PowerShell Connection Refused or Permission Denied Errors

When you see Connection refused or Permission denied in PowerShell, it ...

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...