I would just like to report that I see this behavior too. It does not happen very often. Every once in a while when I stop playing a recording, I get kicked all the way back to the popcorn hours own menu.
Windows 7 Premium 32-Bit, Intel i5 750, ASUS P7P55D, 4gb ram, ATI RADEON HD 4550, 5 sata drives, HVR2250, HDPVR, COMSKIP, PCH A100, EGreat 34a, VideoReDo, SA 4240HDC