I was running into this as well... I've entered a PIN. My sister will test this later today for me - I'll report back my results later on.
HD PVR: nPVR 3.8.3 (09/29/2016 update) with VLC 2.2.4 Std Skin
Intel LGA 1155 H67/i5-2400 SB 3.1GHz with HDMI-out, 8GB PC3-10666, Win7 Ultimate x64, Hauppauge Colossus, 1x250GB SSD (System), 1x1TB SATA (Recordings), DirecTV HD22 STB, dtvTune.exe Ethernet channel changer
RaspBMC Client: RaspBMC rpi-3.6.11 kernel (based on Frodo 12.2) Std Skin
Raspberry Pi B, MPEG-2 & VC-1 licenses, 8GB class 6 SD, AdaFruit USB WiFi, Flirc USB receiver