Can't trash unwanted application

[DannyBuck]

Hi - I have a badoo sign-in panel that comes up every time i start-up. I've tried to get rid of it but it says it cannot be moved to trash because it's open.
mac newbie here so any help gratefully received.

Thanks

 

[GGJstudios]

Launch Activity Monitor and change "My Processes" at the top to "All Processes", then find the app and Quit it.

The most effective method for complete app removal is manual deletion:

Best way to FULLY DELETE a program​