I'm getting confused now! Have you only bought Pro once, back in 2005? Are you sure that you bought from the official LW site Lime Wire » Official Website & Free Download « ?
In your earlier thread, you said that you've got an update of 4.12.11...that's the latest stable release & if you'd bought Pro from the official site, your updates would've run out around September 2005 (so your last Pro update woul've been around version 4.9.33 or 4.9.34).

It sounds wrong to me, maybe you bought Pro from a scam site?

What updates do you have (what versions)? If they're Pro then they should install as Pro. Sounds like you've got basic installers, rather than Pro.