Check all of your connections - make sure the phone cord is plugged in. Check your phone line. Make sure there is a dial tone, that the computer is dialing and that it makes a connection. Make sure your Username and Password are correct. If you still have problems proceed to step 7.
Methods vary by operating system.
One method is to delete all items in your Start-up folder. This might take several minutes. This might take several minutes. Try connecting again. If you are still having problems after completing steps 1 - 10, please give us a call.