Erpnet desktop apps not working on screen touch

I installed an older Erpnet on one embedded system, everything is fine except those apps when clicked with hand , as per touch screen, it doesn’t respond, but if I use mouse.; it’s working.
Please any help on that…?

Secondly, how can I set or configure Erpnet to display total amount on customer’s screen…?

Is touch screen really working? It is responding outside Erpnext (other webpages, OS desktop …)? Touch screen could need to be configured (install right drivers, calibrate, …) … After this, should work as another input device on any application.

Regarding your secondly question … what means “customer’s screen”? Some kind of secondary screen to show totals, etc… ?

Hope this helps.