I just installed Visual Studio 2015 Community on my computer. Until now I have been using Visual Studio 2010 Professional. Now when I try to run my MVC apps in the build i
Microsoft is aware of this issue with KB3098779 and 3097997:
https://support.microsoft.com/en-us/kb/3118750
The recommendation is to uninstall these patches and then rescan for updates. Newer versions of these security patches (that do not break the VB compiler) are now available.