No Cached Version Gradle Plugin Available for offline mode

Question

I haven\'t used Android Studio in a while, but decided to update everything and create a new project and I get the above error, if I go to Preferences -> Build, Execution, D

Answer 1

The toggle button always says - 'Toggle Offline Mode' and never changes to 'Toggle Online Mode' How will I know whether gradle sync will run in offline mode or online mode?