Network Error (tcp_error) ? PLEASE HELP

apps

#1

Hello,
I always get this error:
Network Error (tcp_error)
after uploading arround 10 MB videos or more on my video sharing site, why is that ?
my phpinfo file is set to 190 MB
and my site settings is set to 100 MB !!
is it firewall issue ? or something else ?
please help me it is very important