Button clicked flashes but must click again for action

If another panel had focus and I click on a button with the mouse, the button flickers, but the button action does not occur. I must click on the button again to actually get the button to "function".
If I have had additional popup windows open, that are now closed, I must click the desired button, one more times than the number of popup windows (i.e. if 2 popup windows were open, I must click a button on the TestStand operator interface 3 times before the desired action occurs. The button will flicker, giving the operator the false impression that button will respond.
Why is this and how do we fix it?
I have TS 3.0, CVI 7.0 and am runing with Windows XP, SP1.

Hello Bob,
It looks like that the event/message queue of CVI is not recording events properly. There could be various reasons like the memory, operating system, the CVI code or any other memory resident program. I would recommend the following things:
1) Try using the shipped OI that you used to create your custom OI.
2) Try clicking on the window/pop-up title bar first and then clicking on the button.
3) Try restarting your computer in safe mode.
4) Try running your OI on a different computer.
5) Open the source code in CVI and in the UI check if the events are called properly and the order of the events called.
I hope it helps,
Rajiv Garg
National Instruments

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