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

How to Fix '404 Not Found' File Path Errors in CMD

How to Reinstall Windows Search Feature (Step-by-Step)

If Windows Search stops working—no results, missing files, or high CPU usage—reinstalling the fea...

Fix Windows Search 502 Bad Gateway Error

If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...

Fix Windows Activation Failed to Start Command Line Repair Tool

When Windows activation fails, you might see an error that the command line repair tool cannot st...

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...