I can also confirm this annoying problem with 2 monitors attached. The popup is a little longer then the two screens I have, so I have to move the popup to the left so I can click the required button, very annoying behavior.
Running Win10 Pro 1809, VMWare Workstation 15.0.2.
I don't know if the problem happens after the update of windows or the update or VMWare Workstation 12.5.x to 15.0.x since I was already on Win10 1809 before the update to Workstation 15.x.