I had the same issue a couple of days ago. now it works fine. 14 active connections and getting rewards.
Do you have the newest version installed?
Did you try to download the bootrstrap.dat and follow the instruction they posted?
I did it and then it took about a day and then it was fine again.
My Window PHC wallet version v.1.0.0.4-test
I downloaded the bootrstrap.dat and followed the instruction they posted. But 0 active connection @@