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

Fix Microsoft Store Error 0x80073cf0 Dependency Conflict

You see error 0x80073cf0 when trying to install or update an app from the Microsoft Store. The me...

How to Fix 7-Zip 'Cannot Open File as Archive' Error on Valid Files

You double-click a file in 7-Zip and get "Cannot open file as archive." But you know the file is ...

How to Set Up Remote Desktop on Windows 11

Before You Start

Remote Desktop lets you connect to your Windows 11 PC from another devic...

Fix Microsoft Store 502 Bad Gateway & Permission Denied

You open Microsoft Store and see a 502 Bad Gateway error, sometimes accompanied ...

BitLocker Recovery Key Not Working? Fixes to Try

You enter the 48-digit BitLocker recovery key, but the drive stays locked. The key is correct, ye...

Fix Windows Defender Connection Refused Error 0x80070005

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...