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

Fix Microsoft Store Update Stuck at 0 Percent

You open Microsoft Store, see an update listed, and click Update. The progress bar shows 0% and s...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Why BitLocker Slows Down Windows 11 and How to Fix It

If your Windows 11 PC feels sluggish after enabling BitLocker, you're not alone. BitLocker encryp...

Fix BitLocker TPM and PIN Sync Issues

If your BitLocker-protected drive asks for a recovery key instead of the PIN, or if changes to th...

How to Fix Command Prompt Failed to Start on Windows 10

If you click on Command Prompt and nothing happens, or you see an error like “Windows cannot find...

How to Fix Invalid Configuration in Command Prompt

You open Command Prompt and see an error like "Invalid configuration" or "Configuration system fa...