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

Fix Microsoft Teams 404 Not Found Server Issue

You open Microsoft Teams and get a 404 Not Found error. The app may load partially or show a blan...

How to Fix Abnormal Memory Usage in CMD on Windows

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...

Command Prompt Full System Restore Checklist

If your Windows system is unstable or won't boot, you might need a full system restore. Using Com...

Fix Windows Defender Real-Time Protection Permission Denied

You try to turn on real-time protection in Windows Security, but get a 'permission denied' messag...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Proxy Error

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