Sorry for the inconvenience caused. Can you please share you monitor details. Are using a 4 k machine? On which version of Illustrator are you working on now? Please share this details it may help us to reproduce the issue .
An error occurred while saving the commentMike S commented
I have a 2 monitor set-up. RIght click works only on the startup monitor, not the 2nd monitor. That's some weird business.