PrefUtil.exe is part of a product called known as Wacom Technology, Corp. Preference File Utility and the developer is Wacom Technology, Corp. .
If you think that this file contains a virus or another malware, please download a virus scanner.
If PrefUtil.exe is using too much CPU or too much memory in your system, it is possible that your file has been infected with a virus. Installing an antivirus is recommended.
Not all processes can be uninstalled without the help of a 3rd party tool, especially malware. To see if it can be uninstalled, first go to Start > Control Panel > Add/Remove programs and select Wacom Technology, Corp. Preference File Utility from the list to remove the process PrefUtil.exe from your computer.
If you have any problems with PrefUtil.exe, you may try using a registry cleaner or a speed-up software to check, analyze, and fix problems that are affecting the performance of your computer.
You may try contacting Wacom Technology, Corp., the developer of PrefUtil.exe and ask for more information.