Pastebot Sync Uninstall Issue

I just installed Pastebot Sync to my Mac to give it a try. I didn't really like it so I tried to uninstall it. I have deleted all of the download programs and deleted the icon out of the system preferences section. When I try to empty my trash I get
"The operation can’t be completed because the item “PastebotSync.prefPane” is in use."
I still have the icon in the menu bar in the top right too. It would be greatly appreciated if someone could give me an idea as to where to find this file.

 

Simple fix of restarting the computer and retrying