There is no refund of LW Pro purchase, this has always been noted on the purchase page.
How much did you pay for your LW Pro?

There were 3 options for purchasing LW Pro. 1. 12 months support. 2. 6 months support. 3. One off copy of LW Pro with no support. (This 3rd option has recently changed to 3 month support.)
On the LW support page you need to enter the email address you purchased LW Pro with.
For connection problems, first try these suggestions
If LW 5 Will Not Connect & if still not work then post back your set up details.