B4J Question error running on Windows 10 but only Webview error. [SOLVED]

Hi

My program runs perfect until it gets to this new style of button that works perfectly on my dev computer but when compiled using B4Packager 11 it crashes on a second PC

Here is the error. Please give me some advise.

I have just checked and it must be a setting in the packager as running it on the dev computer it also crashes but running the release in the b4j enviroment does not crash.