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

7-Zip 'Cannot Open as Archive' Error Fix

You try to open a file with 7-Zip and get the error: “Cannot open the file as archive”. ...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...

Fix Windows Activation Update Error 0x80070643

If you see error 0x80070643 during a Windows activation update, the update process has been inter...

How to Install Windows Security on Ubuntu (via Virtual Machine or Wine)

If you're looking to run Windows Security (Microsoft Defender) on Ubuntu, you've hit a fundamenta...

How to Fix Command Prompt Failed to Start on Windows 10

If you click on Command Prompt and nothing happens, or you see an error like “Windows cannot find...

Chrome Profile Download Checklist for Windows Users

If you're trying to move your Chrome profile to a new Windows PC or back it up before a reinstall...