Error message: U01 Error or “Check if .Net Framework 4.7.1 is installed” at startup

On future version (, BEUT will inform you if .net Framework 4.7.1 is not present on your computer. Before that release, you will have only “U01 connection error” at startup.

The error will often trigger on Windows 7 only systems, if you have it, just download it from Microsoft website :

If still not working, contact us using contact form located at bottom of this website !