diff -r 262f31627960 -r e60e2e7dd43a QTfrontend/ui/widget/about.cpp
--- a/QTfrontend/ui/widget/about.cpp	Sat Nov 10 19:55:16 2018 +0100
+++ b/QTfrontend/ui/widget/about.cpp	Sat Nov 10 20:33:39 2018 +0100
@@ -102,11 +102,7 @@
 
 #if defined(__GNUC__)
     libinfo.append(QString(tr("<a href=\"https://gcc.gnu.org\">GCC</a>: %1")).arg(__VERSION__));
-#elif defined(WIN32_VCPKG)
-    libinfo.append(QString(tr("<a href=\"https://visualstudio.microsoft.com\">VC++</a>: %1")).arg(_MSC_FULL_VER));
-#elif defined(__VERSION__)
-    libinfo.append(QString(tr("Unknown Compiler: %1")).arg(__VERSION__));
-#else 
+#else
     libinfo.append(QString(tr("Unknown Compiler")));
 #endif
     libinfo.append(QString("<br>"));