Hi,
If there is a problem with Hyperthreading, you can run task manager and you will see it spawn another process which either hangs or consumes all the CPU cycles.

>Hi All
>
>Part 2 of this topic in a new category -
>
>Is it the consensus of UT members that VFP9 definitely has no issues with hyperthreading cpu machines? I am just trying to get a definitive answer because I have read about other applications having problems with hyperthreading cpu machines. Just looking to be sure before giving the client a categorical answer :)
>
>Re-cap of my problem - running a prg routine via a toolbar button or via keyboard commands works perfectly. Running the exact same routine but via a menu option causes the CPU to flatline and the program becomes unresponsive.