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

Fix Windows Security Authentication Error 0x80070035

Fix Microsoft Teams Camera Not Working After Update

After a Microsoft Teams update, your camera may stop working. Common symptoms: a black screen, a ...

How to Fix Chrome Error 0xc0000022 on Windows

When you start Google Chrome on Windows and see error code 0xc0000022, the browser usually fails ...

Fix Windows Search Not Working (Error 404) – Practical Guide

If you see "Error 404" when using Windows Search, it usually means the search index is corrupted ...

How to Add External Drives to Windows Search Index

If you've connected an external USB drive and Windows Search can't find files on it, the drive is...

How to Fix Command Prompt Auto Start Not Working

If you've set Command Prompt to start automatically on login—via the Startup folder, Registry, or...