1. Click Start, goto find, and click files or folders.
2. Search for telephon.ini.
3. If you find it then rename it to telephon.old or telephon.bad.
4. Click on Start, Run, then type tapiini.exe, press Enter.
5. Reboot.
6. It is also possible that the modem is not setup correctly. Check the modem and possibly Uninstall and reinstall it.
7. Try uninstalling and reinstalling the Dial Up Adapter.
8. Make sure that no other programs are using your modem. Fax software, Supervoice, etc...
9. Ctrl-Alt-Delete, if you see RNAAPP loaded, then double-click it to close the application.

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