diff --git a/eo/NEWS b/eo/NEWS
index f4625d6c..28b25cb4 100644
--- a/eo/NEWS
+++ b/eo/NEWS
@@ -1,4 +1,5 @@
 * current version
+  - fixed compilation issues in Microsoft Visual C++
 
 * release 1.2  (16. May. 2011)
   - fixed the incremental allocation issue in variation operators which were
diff --git a/eo/src/apply.h b/eo/src/apply.h
index 01256e05..bbd30aa3 100644
--- a/eo/src/apply.h
+++ b/eo/src/apply.h
@@ -58,14 +58,26 @@ void apply(eoUF<EOT&, void>& _proc, std::vector<EOT>& _pop)
     if (!eo::parallel.isDynamic())
 	{
 #pragma omp parallel for if(eo::parallel.isEnabled()) //default(none) shared(_proc, _pop, size)
+#ifdef _MSC_VER
+            //Visual Studio supports only OpenMP version 2.0 in which
+            //an index variable must be of a signed integral type
+	    for (long long i = 0; i < size; ++i) { _proc(_pop[i]); }
+#else // _MSC_VER
 	    for (size_t i = 0; i < size; ++i) { _proc(_pop[i]); }
+#endif
 	}
     else
 	{
 #pragma omp parallel for schedule(dynamic) if(eo::parallel.isEnabled())
+#ifdef _MSC_VER
+            //Visual Studio supports only OpenMP version 2.0 in which
+            //an index variable must be of a signed integral type
+	    for (long long i = 0; i < size; ++i) { _proc(_pop[i]); }
+#else // _MSC_VER
 	    //doesnot work with gcc 4.1.2
 	    //default(none) shared(_proc, _pop, size)
 	    for (size_t i = 0; i < size; ++i) { _proc(_pop[i]); }
+#endif
 	}
 
     if ( eo::parallel.enableResults() )
diff --git a/eo/src/eoEvalUserTimeThrowException.h b/eo/src/eoEvalUserTimeThrowException.h
index 87e47ac5..f24a246a 100644
--- a/eo/src/eoEvalUserTimeThrowException.h
+++ b/eo/src/eoEvalUserTimeThrowException.h
@@ -21,27 +21,30 @@ Authors:
 Johann Dréo <johann.dreo@thalesgroup.com>
 */
 
-#ifndef __unix__
-#warning "Warning: class 'eoEvalUserTimeThrowException' is only available under UNIX systems (defining 'rusage' in 'sys/resource.h'), contributions for other systems are welcomed."
-#else
+#if !defined(__unix__) && !defined(_WINDOWS)
+#warning "Warning: class 'eoEvalUserTimeThrowException' is only available under UNIX (defining 'rusage' in 'sys/resource.h') or Win32 (defining 'GetProcessTimes' in 'WinBase.h') systems, contributions for other systems are welcomed."
+#else //!defined(__unix__) && !defined(_WINDOWS)
 
 #ifndef __EOEVALUSERTIMETHROWEXCEPTION_H__
 #define __EOEVALUSERTIMETHROWEXCEPTION_H__
 
-#include <sys/time.h>
-#include <sys/resource.h>
-
-#include <eoExceptions.h>
-
 /** Check at each evaluation if a given CPU user time contract has been reached.
  *
  * Throw an eoMaxTimeException if the given max time has been reached.
  * Usefull if you want to end the search independently of generations.
- * This class uses (almost-)POSIX headers.
+ * This class uses (almost-)POSIX or Win32 headers, depending on the platform.
  * It uses a computation of the user time used on the CPU. For a wallclock time measure, see eoEvalTimeThrowException
  *
  * @ingroup Evaluation
  */
+
+#include <eoExceptions.h>
+
+#ifdef __unix__
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
 template< class EOT >
 class eoEvalUserTimeThrowException : public eoEvalFuncCounter< EOT >
 {
@@ -68,5 +71,41 @@ protected:
     struct rusage _usage;
 };
 
+#else
+#ifdef _WINDOWS
+//here _WINDOWS is defined
+
+#include <WinBase.h>
+
+template< class EOT >
+class eoEvalUserTimeThrowException : public eoEvalFuncCounter< EOT >
+{
+public:
+    eoEvalUserTimeThrowException( eoEvalFunc<EOT> & func, const long max ) : eoEvalFuncCounter<EOT>( func, "CPU-user"), _max(max) {}
+
+    virtual void operator() ( EOT & eo )
+    {
+        if( eo.invalid() ) {
+            FILETIME dummy;
+            GetProcessTimes(GetCurrentProcess(), &dummy, &dummy, &dummy, &_usage);
+
+            ULARGE_INTEGER current;
+            current.LowPart = _usage.dwLowDateTime;
+            current.HighPart = _usage.dwHighDateTime;
+            if( current.QuadPart >= _max ) {
+                throw eoMaxTimeException( current.QuadPart );
+            } else {
+                func(eo);
+            }
+        }
+    }
+
+protected:
+    const long _max;
+    FILETIME _usage;
+};
+
+#endif // _WINDOWS
+#endif //__unix__
 #endif // __EOEVALUSERTIMETHROWEXCEPTION_H__
-#endif // __UNIX__
+#endif //!defined(__unix__) && !defined(_WINDOWS)