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

How to Reset Windows Defender Settings to Default

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

Fix Chrome Profile Permission Denied Error on Ubuntu

You try to launch Google Chrome on Ubuntu and get an error like 'Permission denied' or 'Failed to...

Fix Windows 10 Product Key Not Working on Mac Boot Camp

If you've installed Windows 10 on a Mac via Boot Camp and your product key isn't accepted, you're...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

How to Fix Remote Desktop Update Error 0x80070424

You try to install a Remote Desktop update on Windows and get error 0x80070424. The update fails,...

How to Fix BitLocker 404 Not Found Error

If you see a "404 Not Found" error when trying to access BitLocker settings or repair tools, it u...