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

Fix Chrome Auto-Start Not Working on Linux

If you've set Chrome to launch on login in Linux but it doesn't start, the issue often lies in ho...

How to Set Up Proxy in Command Prompt for Network Access

If your network requires a proxy server to access the internet, you may need to configure it in t...

How to Fix Network Errors in Command Prompt on Windows 10

Windows Activation Error 0xc004c003: Fix Guide

When you see error 0xc004c003 during Windows activation, it usually means the license key is vali...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

How to Take Full Control of the Windows Update Folder

If Windows Update fails with errors like 0x80070005 or 0x80246007, the problem might be permissio...