@Nardimes wrote:
while am using event structure triggered by a boolean push button during running the program when i press the button the whole execution will stop
This is not sufficient information to troubleshoot. Can you attach a simplified version of your VI?
(Typically, symptoms like this is caused by poor architecture due to misunderstandings how dataflow works. One guess would be an event structure unreachable by dataflow (buried inside a case structure, buried inside an sequence frame that has already passed, etc.. Events lock the front panel (by default) until the event completes so if the event structure cannot be reached or cannot complete, you get a permanent UI lockup.)