Probably, the program not work with floppy disk drives which has not full set of signal pins. For example, Mitsumi model D359M3D.
Author of the program (Vasil) is informed already.

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PETERS PLUS LTD

New version of the utility will be finished soon. We received a news from Vasil.
But we haven't any bugreports about version 1.0. Anybody has a problems with formating of DOS diskettes? How often do you saw program message "Resetting drive..." and next closing the program?

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PETERS PLUS LTD