So, you can understand the frustration when the Nexus Mod Manager Won't Open.Nexus Mods is a site which allows users to upload and download 'mods' (modifications) for computer games.It acts as a source for the distribution of original content.It is one of the largest gaming modification websites on the web, and, as of February 2021, had twenty-five million registered members.

With over 200 supported game mods and 10 million registered users, it is one of the most extensive game mod programs available for PC. Nexus Mod Manager is a program that allows game mods to be installed and modified on the system.