diff -urNr boinc-client_release-7.6-7.6.22-orig/clientgui/BOINCGUIApp.cpp boinc-client_release-7.6-7.6.22/clientgui/BOINCGUIApp.cpp
--- boinc-client_release-7.6-7.6.22-orig/clientgui/BOINCGUIApp.cpp	2015-12-17 15:37:34.000000000 +0100
+++ boinc-client_release-7.6-7.6.22/clientgui/BOINCGUIApp.cpp	2016-06-25 13:39:37.957438865 +0200
@@ -264,9 +264,9 @@
     // Enable Logging and Trace Masks
     m_pLog = new wxLogBOINC();
     wxLog::SetActiveTarget(m_pLog);
-
-    m_pLog->AddTraceMask(wxT("Function Start/End"));
-    m_pLog->AddTraceMask(wxT("Function Status"));
+    // lines commented to disable wxWidgets debug trace
+    // m_pLog->AddTraceMask(wxT("Function Start/End"));
+    // m_pLog->AddTraceMask(wxT("Function Status"));
 
 
     // Initialize the internationalization module