The path C:\Program Files (x86)\Foxit Software\Foxit PDF Editor\plugins\Creator\FoxitProxyServer_Socket_PH.exe is associated to the Creator plugin for MS Office products.
C:\Program Files (x86)\Foxit Software\Foxit PDF Editor\plugins\Creator\NativeMessagingEXE.exe is associated with the Creator Plugin for Browsers.
This may come up for users in server environments who are provisioned applications via security group. If a user is not within the Foxit PDF Editor security group and they try to enable the Foxit Creator addin in a browser/ MS Office Application, they will get an error stating that the function has been blocked by their system administrator.
Event Viewer may show an error as well pointing to one of these two executable paths. In such event, the user will need to reach out to their system administrator to determine whether user should be given access to the application via security group.