diff --git a/src/meshlab/main.cpp b/src/meshlab/main.cpp
index 14868773f..7606c43b9 100644
--- a/src/meshlab/main.cpp
+++ b/src/meshlab/main.cpp
@@ -106,10 +106,8 @@ int main(int argc, char *argv[])
 
 void handleCriticalError(const MLException& exc){
 
-    bool openGLProblem = false;
     QString message = "MeshLab was not able to start.\n";
     if (QString::fromStdString(exc.what()).contains("GLEW initialization failed")){
-        openGLProblem = true;
         message.append("Please check your Graphics drivers.\n");
     }
     message.append("\nError: " + QString::fromStdString(exc.what()));
@@ -122,7 +120,7 @@ void handleCriticalError(const MLException& exc){
 
     #ifdef _WIN32
     QCheckBox *cb = nullptr;
-    if (openGLProblem) {
+    if (QString::fromStdString(exc.what()).contains("GLEW initialization failed")) {
         cb = new QCheckBox("Use CPU OpenGL and restart MeshLab");
         messageBox.setCheckBox(cb);
     }
diff --git a/src/meshlabplugins/io_collada/io_collada.cpp b/src/meshlabplugins/io_collada/io_collada.cpp
index 217907e10..f6f432bae 100644
--- a/src/meshlabplugins/io_collada/io_collada.cpp
+++ b/src/meshlabplugins/io_collada/io_collada.cpp
@@ -175,7 +175,7 @@ void ColladaIOPlugin::initPreOpenParameter(const QString &/*format*/, const QStr
 		qDebug("Node %i geom id = '%s'",i,qUtf8Printable(idVal));
 	}
 	parlst.addParam(new RichEnum("geomnode",0, idList, tr("geometry nodes"),  tr("dsasdfads")));
-	qDebug("Time elapsed: %d ms", t.elapsed());
+	qDebug("Time elapsed: %llu ms", t.elapsed());
 }
 
 
diff --git a/vcglib b/vcglib
index e9ea05be0..f7871eed2 160000
--- a/vcglib
+++ b/vcglib
@@ -1 +1 @@
-Subproject commit e9ea05be0201342d54ada396434e8af3ffdac28a
+Subproject commit f7871eed2d54bee704b9f66dc538c921602323cb