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

How to Fix Abnormal Memory Usage in CMD on Windows

Activate Windows 11 Without Internet: Step-by-Step

If you’re trying to activate Windows 11 on a PC that has no internet connection—either because of...

Fix Chrome Invalid Configuration Error 0x80070057

If you see "Invalid configuration" with error code 0x80070057 in Chrome, it usually means Chrome'...

Fix Windows Security Proxy Error Not Working

Windows Security may stop working with a proxy error, often due to misconfigured proxy settings o...

Fix Windows 11 Search Not Showing Open Files

If you search for a file that you know is open in an app, but Windows 11 search doesn't show it, ...

How to Unlock a File in Use by Another Program in Windows

You try to delete, rename, or move a file in Windows and get an error: "The action can't be compl...