Thousands of UK DTT viewers lost some of their Freeview channels when new pay service Top Up TV carried out a download to prepared boxes for its channels. Some STBs were unable to cope with the new information and suffered channel losses as a result. Set-top box manufacturers are working to restore lost channels, which included BBC One and BBC Two. Other channels affected included Sky News, Sky Travel and UK History. Top Up TV co-founder, Ian West, said the problem was caused by the digital boxes themselves: "A small number of boxes that were sold very cheaply couldn't cope with the new channels being added," he said. According to Freeview, ..... (in my "Advanced-television.com" subscibed news this afternoon). Chris Muriel, Manchester.