Can't use threads

[Aldo]

Hello,

i'm trying to run 3 threads with the following code :

https://run.dlang.io/is/p4ThlD

It works on run.dlang.io but not on my windows 10 :

core.thread.ThreadError at src\core\thread.d(3078): Unable to load 
thread context

If I lower the allocated ubyte array it works...can you help me ?

thanks.