FAQ for Message Manager Deluxe v3.03   

When I login I am getting "MPREXE Not Responding" (Windows 95, 98, ME)

This problem is not related to Message Manager Deluxe, rather it is an issue with Microsoft. They have a detailed KB article regarding this, click here to read it.

For a short cause list, Microsoft lists these as the reason:

Again, please refer to this Microsoft Knowledge Base Article.