Please check md5sum of your corresponding .iso image with command:

md5sum  myisoimage.iso 

and press Enter.  After a couple of moments your computer will show you result that should be identical
with corresponding md5sum listed here.

60dff4a34f6f6f67255e76060cdb1348  releases/64studio/64studio-live_2.0_i386.iso
8e3a38a14d1ba7855dcc0cd00e965a7e  releases/64studio/64studio-live_2.0_amd64.iso
403135bc8167fed2127a8fbff9e9303b  64studio_2.0_i386.iso
5a03abe42a4af9d1acc1eb4145bbf43c  64studio_2.0_amd64.iso