Better error control on file: loading & VJ first fix

Babylon.csproj

@@ -542,7 +542,7 @@
           <AutoAssignPort>True</AutoAssignPort>
           <DevelopmentServerPort>0</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:51793/</IISUrl>
+          <IISUrl>http://localhost:10683/</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>