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

Fix Module Not Found Error in Command Prompt

If you're seeing 'module not found' in Command Prompt, it usually means the system can't locate t...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

How to Fix 502 Bad Gateway in Command Prompt

If you see a 502 Bad Gateway error while using command prompt—for instance when ...

Fix Microsoft Store Permission Denied Error: Reset Permissions

When you see a 'permission denied' error in Microsoft Store—often when trying to install or updat...

Windows Terminal Checklist for Ubuntu Installation

You're trying to run Ubuntu in Windows Terminal, but it's not working as expected. This checklist...

Fix DNS Server Not Responding in Windows Search

When you search for network printers, shared folders, or other devices from the Windows Search ba...