Adelphia files for Bankruptcy. Adelphia Communications, the cable television operator, filed for bankruptcy protection in Manhattan after a month of struggling to find another solution. [New York Times: Technology]Ha! About time! I used to have Adelphia (or as everyone called them, Adumbfia) when I lived in Boca Raton. Their service was abysmal. I finally switched from PowerStink to BellSouth FastAccess DSL.