Index: src/ch/MainWnd.cpp
===================================================================
diff -u -N -ref0341282095cec2957225e031580d0c0bbaa5f6 -r39864b5fbb931e3b257afbd60cfb7f36f71d146d
--- src/ch/MainWnd.cpp	(.../MainWnd.cpp)	(revision ef0341282095cec2957225e031580d0c0bbaa5f6)
+++ src/ch/MainWnd.cpp	(.../MainWnd.cpp)	(revision 39864b5fbb931e3b257afbd60cfb7f36f71d146d)
@@ -462,7 +462,7 @@
 			}
 			catch(const std::exception& e)
 			{
-				strError.Format(_T("Error message: %s"), e.what());
+				strError.Format(_T("Error message: %S"), e.what());
 			}
 
 			if(!strError.IsEmpty())