If you can PM me a little more information such as the type of box you have... you may find its just a case of going through all the the chs and they may have a different name so just rename them... or do a power scan from 100.00mhz - 850.00 mhz and that should pick them up again. KMAC.
No need for PM's to solve this problem If you have a Starvi*W Menu > Factory Setting PIN 0000 OK to delete Turn box off at the back for a minute and turn back on English > Installation Choose Provider etc Automatic Scan Press OK Channels found Exit Press Menu then 1570 Turn EMU key ON Exit , exit , exit