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

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

Fix Chrome 502 Bad Gateway Due to Proxy Settings

You’re browsing and suddenly Chrome shows 502 Bad Gateway. The error often point...

Fix Windows Search Not Working in File Explorer

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...

How to Fix BitLocker Module Not Found or Permission Denied Errors

How to Fix Outlook Setup Authentication Errors

You're setting up Outlook for the first time or reconfiguring an account, and you get an authenti...

Fix Chrome 404 Not Found Error on Windows 10

You're browsing in Chrome on Windows 10 and suddenly get a '404 Not Found' page. This usually mea...