Try uninstalling/deleting your copy of DUN, then uninstall the modem. Reboot, let Windows find and reinstall the modem, then create a new DUN.

And a short lesson learned. Those "Accelerators" can't change the physics of the telephone cable pair. They don't work.

You may have caught a parasite also on the download. Visit my site below, scroll down to the Parasite Suite, and take a look at the software I have listed. AdAware, Spyware Blaster, Spybot Search & Destroy, and CWShredder will remove anything you may have been infected with. All free.

Good luck,

Give a person a fish and you feed them for a day; teach that person to
use the Internet and they won't bother you for weeks.

Click here to see the CNet faces, learn a little about telephones, internet
connections and data, and download free software.