problem in download attachment above 4mb

[aryabod_co]

hello

excuse me , beacause can't good typing english .

in my site , have a problem .
in files larger than 4 mb , only download 4 mb and stop download .
in file 4 mb and little not problem for download .

please help me for solved this problem .

[SEOvB]

Problem is most likely with your server configuration, or connections to your server.

Ask your host to investigate the problem if they will.