This is not to say that DOS Mounter is incompatible with HyperCard. It may
be that a combination of DOS Mounter with one or more other INITs or CDEVs
in incompatible with HyperCard 2.1. In one case, removing DOS Mounter 2.01
from the System Folder enabled the customer to open HyperCard 2.1.
This article is adapted from the Claris Tech Info database.