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

Fix Microsoft Teams Permission Denied When Restoring Backup

When restoring a Microsoft Teams backup, you may encounter a "permission denied" error. This usua...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Update Error 0x800f0922: Step-by-Step Guide

You click 'Check for updates' and after a while see error 0x800f0922. This usually happens when W...

Fix Windows Defender Blank Screen via Registry Edit

If you open Windows Defender Security Center and see only a blank white or gray screen, the inter...

Fix Windows Defender 404 Not Found Error on Windows 10

You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...

Fix Windows Search Login Loop Error 0x80070520

When you see error 0x80070520 in Windows Search, it usually means the search indexer cannot authe...