diff --git a/Foundation/src/Process_WIN32.cpp b/Foundation/src/Process_WIN32.cpp
index b944ce2a1..e1989c333 100644
--- a/Foundation/src/Process_WIN32.cpp
+++ b/Foundation/src/Process_WIN32.cpp
@@ -260,23 +260,19 @@ bool ProcessImpl::isRunningImpl(const ProcessHandleImpl& handle)
 {
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(handle.process(), &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
+	BOOL rc = GetExitCodeProcess(handle.process(), &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
 	return result;
 }
 
 
 bool ProcessImpl::isRunningImpl(PIDImpl pid) 
 {
-	HANDLE hProc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+	HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(hProc, &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
+	BOOL rc = GetExitCodeProcess(hProc, &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
 	return result;
 }
 
diff --git a/Foundation/src/Process_WIN32U.cpp b/Foundation/src/Process_WIN32U.cpp
index 505a166be..226ffabe2 100644
--- a/Foundation/src/Process_WIN32U.cpp
+++ b/Foundation/src/Process_WIN32U.cpp
@@ -266,23 +266,19 @@ bool ProcessImpl::isRunningImpl(const ProcessHandleImpl& handle)
 {
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(handle.process(), &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
+	BOOL rc = GetExitCodeProcess(handle.process(), &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
 	return result;
 }
 
 
 bool ProcessImpl::isRunningImpl(PIDImpl pid) 
 {
-	HANDLE hProc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+	HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(hProc, &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
+	BOOL rc = GetExitCodeProcess(hProc, &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
 	return result;
 }
 
diff --git a/Foundation/src/Process_WINCE.cpp b/Foundation/src/Process_WINCE.cpp
index 127a475a2..0514ef373 100644
--- a/Foundation/src/Process_WINCE.cpp
+++ b/Foundation/src/Process_WINCE.cpp
@@ -191,25 +191,20 @@ bool ProcessImpl::isRunningImpl(const ProcessHandleImpl& handle)
 {
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(handle.process(), &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
+	BOOL rc = GetExitCodeProcess(handle.process(), &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
 	return result;
 }
 
 
 bool ProcessImpl::isRunningImpl(PIDImpl pid) 
 {
-	HANDLE hProc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
+	HANDLE hProc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
 	bool result = true;
 	DWORD exitCode;
-
-	GetExitCodeProcess(hProc, &exitCode);
-	if (exitCode != STILL_ACTIVE) result = false;
-
-	return result;
-}
+	BOOL rc = GetExitCodeProcess(hProc, &exitCode);
+	if (!rc || exitCode != STILL_ACTIVE) result = false;
+	return result;}
 
 
 void ProcessImpl::requestTerminationImpl(PIDImpl pid)