I was told that I expired the amount of times I can use my serial number, so it no longer works. I had to reformat my laptop, so I guess I can't use Directv2PC any more?
Give it a different email than the one you've been using. Have a hotmail or gmail account? Make up another one just for this one usage. You can get two s#'s per email account.
My ISP allows me to make any number of email accounts, so I made one for each computer for directv2pc and got a serial number for it. Now when I want to know what the s# is for subsequent installs, I just log into the email account associated with that computer and voila...the only mail message in the inbox is the direct2pc one with its serial number.
Its dopey to do it this way, but IIRC the problem is that the directv2pc product includes an mpeg2 decoder, and distributing one of those requires royalties and reporting or some such lawyerly software nonsense, so they cant just hand it out. It needs to be activated and serialized to be on the up and up.