Evaluation with Cyclone III Starter Kit

Hi,

When I See My on board results of Cyclone III Starter kit on SignalTap (ELA) there is a problem with my signal RESET(connected to one of the push button) getting LOW automatically for fraction of time.

I unable to find out the reason behind this Abnormal behavior. Whether It is a problem with my kit or my signaltap setup

Please help me out

Regards,