i have disconnect problem on my 40C650

serviio disconnect few minutes according to the file.
if it is play .mkv disconnect fast .
if it is play . avi disconnect in 40-50 minutes
i tried a lot of dlna program but i most like serviio
please help me for this problem.
i added log file with debug
my computer connect router with wireless
my tv connect router with lan

[zip]

looks like a network issue to me, make sure the wireless connection is good.

my wireless connection already is very good
. other dlna programs has't this problem.
only serviio disconnect