* Another process that is using the file stops Nexus Mod Manager being uninstalled. Not all of the files were successfully uninstalled. * A file required for this uninstallation to complete could not be run. * You do not have sufficient access to uninstall Nexus Mod Manager. * Nexus Mod Manager is not listed in Programs and Features. Possible problems when you uninstall Nexus Mod Manager Are you in need of uninstalling Nexus Mod Manager to fix some problems? Are you looking for an effective solution to completely uninstall it and thoroughly delete all of its files out of your PC? No worry! This page provides detailed instructions on how to completely uninstall Nexus Mod Manager.