That sounds like DNS issue. Can you open command line session and see if "nslookup download.frogster-online.com" resolves the address?
-- Rustyx --- 92R / 92S / 92M on Reni (Guild KnightShift). Yes, running the new FOTM R/M, cause I am not elf enough to be WD/S.
Oh, and people who have more than 3 classes are clinically insane.