sorry if this is a daft question but here we go ...
I use Dropbox across five different devices (two imacs, a macbook pro, ipad, and iphone). I'm selling one of the imacs and wanted to delete the application from that particular device, but not the others. I quit Dropbox on the machine i wanted to sell, then went to the applications folder to try and find it ... the app was not there. It's not in startup items either, but the app keeps trying to start up, and it has created some issues with erasing the machine.
I ended up having to do a fairly brutal hard reset and recovery of the startup volume in order to erase the machine.
Any ideas why I couldn't see Dropbox in the applications folder? It was still showing in the sidebar 😕