Paul,
   I am using MPLAB 4.0 with NT 4.0 & the simulator
works fine, I have never had it fail to halt at a break point.  The only
problem running on NT is the lack of hardware drivers for the PICSTART
At 09:21 AM 2/16/99 EST, you wrote:
>Hi Group,
>
>I just installed MPLAB 4.0 on my computer which is running WINNT V4.0.
>
>While simulating my PIC 16F84 code, the simulator will not stop at any break
>points or can I use the right mouse button to "run until".
>
>I did note that single stepping and animated work and will stop at break
>points.
>
>Can anyone provide some assistance?
>
>Thanks
>
>Paul
>
>
73,
Dan Welch
w6dfw@qsl.net