(Telecompaper) UPC has temporarily put onhold the rollout of its Horizon media box firmware, saying users were experiencing problems with it after installation, TotaalTV reported. The rollout of the firmware elicited immediate negative reactions in North Brabant and Limburg. Users said they had problem with recording TV programmes. When the number of complaints started to add up, UPC stopped the rollout. Horizon boxes with the new firmware were restored to the older 3.0 firmware version. UPC said it is working hard to identify the problems and that it is not sure yet when deployment will resume.