joystick mouse.exe is part of a product called known as mouse2joystick_Custom_CEMU and the developer is Cemu User8 .
If you think that this file contains a virus or another malware, please download a virus scanner.
If joystick mouse.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 mouse2joystick_Custom_CEMU from the list to remove the process joystick mouse.exe from your computer.
If you have any problems with joystick mouse.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 Cemu User8, the developer of joystick mouse.exe and ask for more information.