diff --git a/Foundation/src/Process_WIN32.cpp b/Foundation/src/Process_WIN32.cpp
index e1989c333..d96d79659 100644
--- a/Foundation/src/Process_WIN32.cpp
+++ b/Foundation/src/Process_WIN32.cpp
@@ -247,7 +247,7 @@ void ProcessImpl::killImpl(PIDImpl pid)
 		{
 		case ERROR_ACCESS_DENIED:
 			throw NoPermissionException("cannot kill process");
-		case ERROR_NOT_FOUND: 
+		case ERROR_INVALID_PARAMETER: 
 			throw NotFoundException("cannot kill process");
 		default:
 			throw SystemException("cannot kill process");
diff --git a/Foundation/src/Process_WIN32U.cpp b/Foundation/src/Process_WIN32U.cpp
index 226ffabe2..f07efbb55 100644
--- a/Foundation/src/Process_WIN32U.cpp
+++ b/Foundation/src/Process_WIN32U.cpp
@@ -253,7 +253,7 @@ void ProcessImpl::killImpl(PIDImpl pid)
 		{
 		case ERROR_ACCESS_DENIED:
 			throw NoPermissionException("cannot kill process");
-		case ERROR_NOT_FOUND: 
+		case ERROR_INVALID_PARAMETER: 
 			throw NotFoundException("cannot kill process");
 		default:
 			throw SystemException("cannot kill process");