Looking at the host stats for your particular PC that is running PGFN, it does not look like it's getting wuprop credit, so you may want to check that it has wupropr enabled there.

(I really need to convert this page over to the new datatables format - looks terrible, but you can see the data for today/yesterday by project

https://stats6.free-dc.org/host/pgfn/2244

I can only see primegrid/pgfn and ithena credit happening on it.