randomly cams block their reproduction

[Google Code Exporter]

What steps will reproduce the problem?
I have 2 ipcams that works at the same time with ispy, sometimes one or both 
cams bloks their live reproduction without any reason. they remain locked in 
one screenshot. It's random, sometimes is one sometimes both.
They works with live motion so whent the problem appear they doesn't work cause 
they are blocked

What version of the product are you using? On what operating system?
i use ispy 4.8.4.0 and windows xp pro

thanks

Original issue reported on code.google.com by [e-mail] on 5 Apr 2013 at 4:44