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

Chrome File Locked by Extension: Fixes and Checks

If you see a message like "File locked by extension" in Chrome, it usually means an extension has...

MongoDB Authentication Failed: Administrator Checklist

Fix Microsoft Store Error 0x80070005: File Locked

When you see error code 0x80070005 while trying to install or update an app from the Microsoft St...

Chrome Extension Permission Settings Not Saving? Fix It

You've granted a Chrome extension a new permission—like access to a specific site—but the setting...

How to Reinstall Windows Defender in Windows 11

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...