Wired Magazine Reports: A recent software upgrade to DirecTV receivers has infuriated TiVo users who say the change disabled their beloved digital video recorders — and has sparked conspiratorial theories that DirecTV disabled them on purpose.
The problem mainly affects DirecTV customers with D10 receivers and a stand-alone TiVo, and who use a serial cable to control the satellite box. DirecTV DVRs that have TiVo functionality built-in are working fine. 
