This was a post that I found in the modemhelp.net forums at:
It worked for me, of course if you break your computer by editing the registry, Storm’s Eye and it’s employees and founders cannot be help responsible. Continue reading Distinctive Ring support under Windows XP
Note: This originally applied to Windows XP, but may still be relevant.
This is a fairly common occurrence. What happened is when the software was removed, it corrupted or otherwise played poorly with a couple of entries in the registry. This fix requires that you go into the registry and remove the bad entries, then let windows “fix” itself on reboot. Continue reading Removed DVD Rom or CD Rom software, now my drives are gone