>We downloaded the Universal Thread Navigator and it has an error saying VFP500.dll is corrupt or invalid. We replaced that file and tried it on 2 machines to no avail. Anyone see this?

Please, use the email for support on the use of the Universal Thread. Please, do also use a dynamic signature instead of of a static one. As for your question, the answer, as mentioned in the UTNav page, says to not install UTNav in a full path having a space.