Index: src/ch/TShellExtensionClient.cpp
===================================================================
diff -u -N -r8068e0c351055554340ac9755d1bc846893bf2b8 -rb2102d724fda96a2533b866dbf1efca9f499713b
--- src/ch/TShellExtensionClient.cpp	(.../TShellExtensionClient.cpp)	(revision 8068e0c351055554340ac9755d1bc846893bf2b8)
+++ src/ch/TShellExtensionClient.cpp	(.../TShellExtensionClient.cpp)	(revision b2102d724fda96a2533b866dbf1efca9f499713b)
@@ -44,6 +44,8 @@
 	HRESULT hResult = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
 	if(SUCCEEDED(hResult))
 		m_bInitialized = true;
+	else if(hResult == RPC_E_CHANGED_MODE)
+		return S_FALSE;
 
 	return hResult;
 }