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

Windows 11 Activation Error: Product Key Blocked – Fixes

You see “Product key blocked” during Windows 11 activation. This usually means the key is tied to...

How to Fix Chrome Token Expired Error 400

You're working in Chrome and suddenly get a 400 error: token expired. This usual...

How to Fix BitLocker Authentication Failed on Windows 11

You enter your BitLocker PIN or startup key, and Windows 11 shows 'Authentication failed.' This u...

Fix Windows Terminal Permission Denied Errors

When you see "permission denied" in Windows Terminal, it usually means the terminal process lacks...

Fix Remote Desktop Not Connecting Over VPN

When you're remote and your VPN connects but Remote Desktop (RDP) won't, the problem is usually i...

Fix npm install ENOTFOUND on Windows 10: Package.json Issues