sysadmin probs; help needed

[Ed Greshko]

Tom Poe wrote:
> I started to register and try out freeworlddialup.com .  It said to 
> download softphone "communicator" and ... well, it was a .exe file.  
> First red flag.
> 
> The screen said enter user info, so I enter my user name, tom.  Guess what?
> 
> The app froze, I decided I didn't like this .exe thing, and restarted 
> computer.  Now, when I bring up network dialog, which requires root 
> privileges, it won't accept root password, but will accept user tom's 
> password.
> 
> I need to correct this.  Suggestions?

communicator_060427.exe is a DOS executable.  How did you install in on Linux?