Android Question Problem opening designer on B4A 5.02

Hi I haven't used B4A for AGES but recently upgraded to 5.02 on a Windows 8.1 machine, using it with a Nexus 5 and WiFi bridge connection. I can't get the designer to open/work on the phone, the bridge is showing as "connected", sometimes the designer screen will open but that's all, no views (buttons etc.) appear on the phone screen when I create them on the PC, other times (most of the time in fact) the designer screen won't even open. I've tried unintalling designer from the phone and re-installing it with no luck. Also (I don't know if this is relevant) if I select "WYSIWYG designer - Connect" I get :-

"An error has occurred The calling thread must be STA, because many UI components require this. Restarting ADB server may solve this problem"

Restarting ADB server doesn't solve it.

I have no issues with B4A 3.82 (which I still have installed)

 

Solved it, the paths weren't set up, 3.82 helpfully warned you that they weren't 5.02 doesn't :-(.

Thanks
Martin.