TFS 2013 Update 2 virtual machine issue

So, over Easter I got time to finally update a couple of my TFS 2013 VMs (both on premise and Azure) to TFS 2013 Update 2 (  I regularly use on the awesome VHDs that Brian Keller ( puts together for demos and therefore wanted to upgrade them.  The upgrade was a simple, just go over to MSDN subscriptions, download the update and apply - about 10 minutes later I was ready to explore.  But then I hit a snag.  When I attempted to hit the Team Web Access portal it looked a little broken:


Fortunately the fix is simple, just delete the user's browser cache:

And then refresh:

Now you can play with those new features :)