You will get this error message while installing your
runtime app on a machine if
(a) you create the install image on a pc which had Internet
Explorer installed, and
(b) you're installing the app on a pc which doesn't have IE
IE 4.0 install copies a newer version of Comcat.dll to your pc which, on a non-IE 4 machine, fails to register.
Follow the steps outlined in the following Knowledge Base article
to fix this problem.
ODE97: Comcat.dll Can't Be Registered During Run-time Install