APK not displaying after upgrading to 7.4

I have a project which has been working 100% on an android device (phonegap build).

After upgrading from 7.1 to 7.4 the app displays the splash screen but the screen then goes blank.

I have tried putting a messagebox at the to of main but still nothing.

The Phonegap build log shows as successful an as verified.

Any ideas ?

I tried uninstalling the app and re-installing it now gives me the “app not installed message”

ps. app is signed with same keys used in earlier version

Try downloading and see if that solves the problem.

If not, could you connect the Chrome Remote Debugger and check for errors in the Console?