gbtray.exe is a process associated with the Roxio GoBack program. This process, installed at the startup of Windows usually creates a shortcut on the system tray for convenient access to this program. "This program is a non-essential system process, and is installed for ease of use. "
Non-system processes like gbtray.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