I have been trying to install DIRECTV2PC for a week or so (off and on of course) and I get the error “Activation Failed” with a reason of “activation key usage limit reached”

For some reason, nobody had a solution – on satelliteguys.us or dbstalk.com (or directv forums, or the internet as a whole).
I had already requested two keys, and I had only used them once – it seems ridiculous to me that I cannot use the key again if I, say, reinstall Windows (which I tend to a couple times a year)…

I found a workaround – use a different email address to request a new key. (Many email providers allow you to insert arbitrary periods in your email address…)

DIRECTV2PC is made by cyberlink for Directv. Nobody seems to know why it requires a product key – probably some accounting thing. Rumor has it that it may be going away soon anyway.

Good luck!