MultiUSB Key.exe is part of a product called known as AutoPlay Menu Builder and the developer is Linasoft .
If you think that this file contains a virus or another malware, please download a virus scanner.
If MultiUSB Key.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 AutoPlay Menu Builder from the list to remove the process MultiUSB Key.exe from your computer.
If you have any problems with MultiUSB Key.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 Linasoft, the developer of MultiUSB Key.exe and ask for more information.