I recently upgraded to the latest version of the Android SDK using the SDK Manager.
Unfortunately it appears as if something went wrong. Every time I launch Eclipse now, I get the following error message:
If I click "Check for Updates", Eclipse does its thing and happily reports that there are no updates to install and that everything is up to date.
I can confirm that I have the latest version of the SDK installed:
What's going on here?
In the end, it seems like the problem was that I had:
...instead of...
Notice the https://.