Steps:

1) Open the .pro file in VS using the "Open Qt project file .pro" option from the Qt menu.

2) Right click on the Project and chose "project settings" and change your Qt version.

3) Compile.

This will generate the following output.

1>MOC main.cpp
1>Compiling...
1>debug
1>c1xx : fatal error C1083: Cannot open source file: 'debug': Permission denied
1>main.cpp
1>.\main.cpp(19) : fatal error C1083: Cannot open include file: 'main.moc': No such file or directory