aoltray.exe is the tray bar process for AOL.
It gives you easy access to AOL and different settings. This process can be removed to free up system resources.
Non-system processes like aoltray.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues