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

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

Fix Windows Update High CPU Usage: Step-by-Step Guide

If your system feels sluggish and Task Manager shows Windows Update processes (like TiWorker.exe ...

Fix OneDrive 502 Bad Gateway Error from Proxy Settings

If you see a 502 Bad Gateway error in OneDrive, it often means a proxy or network device is inter...

Fix 'Cannot Access File Because It Is Locked' in Command Prompt

When you try to delete, rename, or move a file in Command Prompt and see the error "The process c...

How to Fix 'Windows Update Path Not Found' in Command Prompt

Fix Windows Defender Real-Time Protection Turning Off

If you see a notification that Windows Defender real-time protection is off, or it keeps turning ...