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

How to Enable Windows Security Real-Time Protection

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

Fix a Corrupted Windows Update Configuration

If Windows Update fails with errors like 0x80070002, 0x80073712, or simply hangs, the update conf...

How to Fix Git Fatal Repository Not Found Error

How to Fix Chrome Browser Proxy Error (ERR_PROXY_CONNECTION_FAILED)

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy error, it usually means the browse...

Fix Windows Search Not Showing Results: Practical Steps

When you type into the Start menu or File Explorer search box and get no results, it's usually a ...

How to Fix Node Version Mismatch in a React Project

When you run npm start or yarn start in a React project and get errors ...