Notify.exe is tray bar process that belongs to the Novell GroupWise application. It alerts the user of any received e-mails and messages. This is a non-essential process. Disabling or enabling it is down to user preference. notify.exe is also a process which is registered as a backdoor vulnerability which can be used by a malicious attacker to gain full access to your system. This process is a security risk and should be removed from your system.