newbie help--gz file corrupted?

[mike]

hey all, i can't work my way around linux very well, so i want to make sure
i'm not doing anythign wrong here.  i'm simply trying to unzip a file
called:

something.tar.gz

i'm typing:

gunzip something.tar.gz

and i get the following error:

invalid compressed data--crc error
invalid compressed data--length error

this file is a HIGHLY downloaded file that's been around for a while, and
it's only 54K.  seems unlikely that it's corrupted...

if it matters, i download it first with a windows machine and ftp it over to
my linux machine...

thx!
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