Intel Hyper-Thre​ading Technology conflicts with LabVIEW utilities (VISA, Scope GUI, IO Trace...)

I would like to share a pretty hard-to-troubleshoot issue we are experiencing for the last few months.
Our company used to get DELL T5500 for our engineers. The PCs work just fine with all LabVIEW utilities. But DELL has discontinued T5500 series and replace them with T5600. I got one of them few months ago and after installing LabVIEW, I tried to run VISA console via MAX. It immediately crashes MAX and destroy MAX database. After that I try to run other utilities like NI IO Trace, VISA Interactive Control, Scope Soft Front Panel, ... All of then crashed. I am running 64-bit Windows 7  + 64-bit LabVIEW. And we know that most of NI Utilities are 32-bit.
After a lot of frustration I went down to researching the computer BIOS level. And try to side-by-side compare with T5500. T5600 has much newer CPU and has  lot more performance enhancement features. I tried to turn of/on one by one to see if any affect LabVIEW utilities. To my surprise I found that Intel® Hyper-Threading Technology (Intel® HT Technology) is the sinner. After turning it off all LabVIEW utilities start to work just fine. All T5600s are shipped with this feature enabled by default.
We know that DELL Precision PCs are almost industry standard for all engineering department. I think in the next few years a lot of people will be hit by this issue. I already notified NI and DELL R&D so they can find a good solution. But I just would like to make this issue Google-searchable so that anybody see this issue may get some help.
Give me any feedback if you encountered the same problem.
Thanks,

This means that you were on a witch hunt and hyperthreading is not the problem. (I always had doubts).
The original thread was about crashes in the visa console, but your problems seem to be much more generic:
"- The application stalls unpredictably after some time, sometimes a minute, sometimes hours. After clicking into the GUI it starts working again. This repeats in an unpredictable way. Competitive activities on the computer seemed to increase the stalling-frequency.
- Sound Input VI stops unpredictably and has to be restarted."
Are you sure you don't have a general code issues such as race conditions or deadlocks. Maybe you should start a new thread and show us a simplified version of your program that still demonstrates the problem. If there are race conditions, moving to a different CPU can cause slight changes in execution order, exposing them.
Did you repair the LabVIEW and driver installation? What are the power settings of the computer? Did you update other drivers (such as video, power management, etc)
What is the exact CPU you are using? What third party utilities and security software is running on your PC?
LabVIEW Champion . Do more with less code and in less time .

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