opening rar files

for some reason maybe its me i open a rar file then it promps if you want to save or run everytime i do either i just starts over and asked the same thing how can i fix that if somebody could help that would be great it could also be the way its being opened

Maybe its a bad file? Or are you downloading from here?

from here
like the bypass it wont download cause its a rar but exe. or zipped are fine to open