problem in feedback loop

[parthipan]

Hi i have modified the code i re intialised but the program is breaking.i have attached the VI .can u give solution for this and why it is breaking causing system error.run the program as i said earlier in my 1 st msg

[Hillman]

Hi.

This vi worked fine for me, except I moved the controls within the while loop, otherwise the wires don't get updated with the new values.

So i entered 1,3 and 2,4 -- pressed - 1,2,3,4

then 1,3 and 2-- pressed 1,2,3

etc

Regards,

[parthipan]

Hi tried but it  Windows is showing msg like this.i have attached the msg in .png file