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Running Unity Pro simulator with Windows 64 bits then Unity Pro is in Halt. Why?

Unity Pro Simulator doesn't correctly run with Windows 64 bits on computers equipped with Intel microprocessors i3, i5, i7.  

Cause:
These microprocessors are using a new instruction set named AVX which is not compatible with Windows 64 bits

Fix:
Windows 7 x64 fixed this issue with the following Microsoft Hot fix which is disabling AVX:

To get more information about this topic:
http://randomascii.wordpress.com/2013/03/11/should-this-windows-7-bug-be-fixed/

If you want to manually disable the AVX instruction:
You also can install CPU-Z to see if AVX is supported on your PC.
Install:
http://www.cpuid.com/softwares/cpu-z.html
and look in instructions if AVX is supported
Then in command prompt (run as admin), type:
bcdedit /set xsavedisable 1
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