Dear all if any body know to help me i have Fortecstar FTA Receiver

Al7bar FTA
Al7bar = 1
Boot Ver= 2.20

it very old Soft ware i tried to load new software from Al7bar webside
but when ever i am loaded my receiver not booting then i will load
repair file from same side my old software and all chls back but uneble
to load any new software so any body can help me please Thanks.