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

How to Fix BitLocker Pre-Boot Authentication Not Working

You enter your PIN or password at boot, but BitLocker skips the prompt and boots directly to Wind...

Fix Windows Search Settings Greyed Out – Step-by-Step Guide

You open Windows Search settings and find most options are greyed out – you can't toggle web resu...

How to Fix Command Prompt High CPU Usage on Windows 10

How to Download Chrome Profile to External Drive on Mac

If you're running low on internal storage or want to keep your Chrome profile portable, moving it...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...

Windows Defender Real-Time Protection Rate Limit Error Fix

You may see a notification that Windows Defender real-time protection has a rate limit error, oft...