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