Issue with Ubuntu 18.04.2 LTS

Dear Friends,

I have TV version teamviewer_14.2.8352 installed on my Ubuntu, Earlier, I have TV 14 as well. The probelm - When start TV 14 and it goes to right hand corner  with Minimized logo. I can right click and see the options. but the main GUI is not showing.  Because of this issue, i installed again... through  Ubuntu software s centre.  but still issue is the same.  Please advise. 

I need it for tomorrow's meeting. Thanks.