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

Fix Windows Terminal SSL Certificate Error

If you see an SSL certificate error in Windows Terminal—often when using SSH, PowerShell, or WSL ...

Fix Windows Security Error 0x80070643 on Ubuntu Dual Boot

If you see error code 0x80070643 when running Windows Security or Windows Update on a dual-boot s...

Fix BitLocker Setup Error 0x80310059 on Windows

When enabling BitLocker on Windows, you may encounter error 0x80310059 with the message "BitLocke...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Chrome Not Opening on Windows 10: Practical Fixes

You click the Chrome icon, but nothing happens. Or it opens briefly and closes. This is a common ...

Fix Chrome Tunnel Connection Failed: Network Config Guide

When Chrome shows 'tunnel connection failed' or 'ERR_TUNNEL_CONNECTION_FAILED', it usually means ...