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

Fix Windows Activation Service Unavailable on Windows 10 Pro

If you see the error 'Windows Activation Service Unavailable' on Windows 10 Pro, it usually means...

Windows Update 404 Not Found: Practical Checklist

When Windows Update gives you a 404 Not Found error, it usually means the update files are missin...

Fix Chrome Not Connecting to Internet Network Error

When Chrome shows a 'No internet' or 'ERR_INTERNET_DISCONNECTED' error but other apps work fine, ...

How to Clear Windows Update Cache for Pending Installs

You see 'Pending install' in Windows Update but the download or install never finishes. Sometimes...

Fix Chrome 504 Gateway Timeout When Using a VPN