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

How to Fix PowerShell Proxy Error: Step-by-Step Guide

If you see a proxy error in PowerShell—like Unable to connect to the remote server o...

How to Free Up a Port in Command Prompt (Windows)

When an application fails to start because a port is already in use, you need to free that port. ...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

BitLocker High CPU Usage: How to Diagnose and Fix

If your system is running slowly and Task Manager shows BitLocker-related processes consuming hig...

Fix Remote Desktop Connection Version Mismatch Error Code

When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...

Fix Remote Desktop Version Mismatch After Update

After a Windows Update or RDP client update, you may see an error like “The remote computer r...