errors in visual studio 2010 to generate project cocos2dx

hi, i am trying of generate the solution for win32, i tried with bat file that comes with cocos2dx, so like too with visual studio 2010, in both cases having same error (I should clarify that I’m using version 2.2.1 of cocos2dx, visual studio 2010 and windows 7).
I copy down the error returned me visual studio:

‘pthread.h’: No such file or directory C:2d-x-2.2.1\extensions\AssetsManager

1>C:Files Visual Studio 10.0\VC\include\xlocale: warning C4530: Se ha utilizado el controlador de excepciones de C*, pero la semántica de desenredo no está habilitada. Especifique /EHsc
1>C:2d-x-2.2.1\samples\Cpp\AssetsManagerTest\proj.win32/AssetsManager.h: fatal error C1083: No se puede abrir el archivo incluir: ‘pthread.h’: No such file or directory
1> AppDelegate.cpp
1>C:Files Visual Studio 10.0\VC\include\xlocale: warning C4530: Se ha utilizado el controlador de excepciones de C**, pero la semántica de desenredo no está habilitada. Especifique /EHsc
1>C:2d-x-2.2.1\samples\Cpp\AssetsManagerTest\proj.win32/AssetsManager.h: fatal error C1083: No se puede abrir el archivo incluir: ‘pthread.h’: No such file or directory
1> Generando código…
Generar: 0 correctos, 1 incorrectos, 5 actualizados, 0 omitidos ===*

from what I understand not find file inclusion “pthred.h”, however, this is in the folder cocos2dx. The project that gives this error is AssetsManagerTest.

someone who is encountered this problem and found a solution since? From already thank you very much for any help and time. Javier.