diff --git a/ctl/ctlSQLBox.cpp b/ctl/ctlSQLBox.cpp
index c11f1ca..ef1cdcc 100644
--- a/ctl/ctlSQLBox.cpp
+++ b/ctl/ctlSQLBox.cpp
@@ -1170,7 +1170,9 @@ void ctlSQLBox::UpdateLineNumber()
 		if (width != GetMarginWidth(0))
 		{
 			SetMarginWidth(0, width);
+#ifndef __WXGTK__
 			Update();
+#endif
 		}
 	}
 	else
diff --git a/include/ctl/ctlSQLGrid.h b/include/ctl/ctlSQLGrid.h
index 81f01f1..f2251d4 100644
--- a/include/ctl/ctlSQLGrid.h
+++ b/include/ctl/ctlSQLGrid.h
@@ -102,7 +102,7 @@ public:
         // default group open
         rowsGroup[rowgroup] = -rowgroup;
         //beg[rowgroup]=rowgroup;
-        wxASSERT_MSG(lastrowgroup > end.Count(), " out of bounds");
+        //wxASSERT_MSG(lastrowgroup > end.Count(), " out of bounds");
         end[rowgroup] = lastrowgroup;
         run[rowgroup] = actualtime;
     };
diff --git a/utils/log/MyDataViewCtrl.cpp b/utils/log/MyDataViewCtrl.cpp
index faf0ef5..f5a24ff 100644
--- a/utils/log/MyDataViewCtrl.cpp
+++ b/utils/log/MyDataViewCtrl.cpp
@@ -104,8 +104,10 @@ void MyDataViewCtrl::setGroupMode(bool mode) {
     wxString l = wxString::Format("rows %d", m->GetRowCount());
     st->SetLabelText(l);
 
-    if (!SetHeaderAttr(attr))
-        wxLogMessage("Sorry, header attributes not supported on this platform");
+    if (!SetHeaderAttr(attr)) {
+        //wxLogMessage("Sorry, header attributes not supported on this platform");
+    }
+        
 
 }
 void MyDataViewCtrl::ViewGroup(bool view) {
@@ -381,6 +383,8 @@ void MyDataViewCtrl::OnEVT_DATAVIEW_CONTEXT_MENU(wxCommandEvent& event) {
 void MyDataViewCtrl::OnContextMenu(wxDataViewEvent& event) {
     //wxString title = m_music_model->GetTitle(event.GetItem());
     //wxLogMessage("wxEVT_DATAVIEW_ITEM_CONTEXT_MENU, Item: %s", title);
+    int c = event.GetColumn();
+    if (c < 0) return;
     StorageModel* m = dynamic_cast<StorageModel*>(GetModel());
     int row = m->GetRow(event.GetItem());
     int ncol;
diff --git a/utils/log/Storage.cpp b/utils/log/Storage.cpp
index aa00feb..0f7ee8e 100644
--- a/utils/log/Storage.cpp
+++ b/utils/log/Storage.cpp
@@ -685,7 +685,7 @@ wxString Storage::getStrGroup(wxString source) {
     wxString n;
     bool quote = false;
     while (i < l) {
-        char c = source[i++];
+        wxChar c = source[i++];
         if (c >= '0' && c <= '9' && !quote) continue;
         if (c == '"') {