ROM Problem

Recently, I have downloaded a few ROMs from www.romulation.net and found that after I while I'm extracting the .rar file, I get an error in the middle saying "[ROM name here] is corrupt". I get this for pretty much all the ROMs I'm downloading here. Help?

make sure your version of winrar is up to date.

download the file again-it might have corrupted during download...Do you have a download manager?I would advise on it if it persist.