I have double-check to makes sure that all of my projects are in the directory that they were created when using IntelliJ 5.0.2.
I downloaded and installed IntelliJ 5.1 build #4155 without any issues.
In IntelliJ 5.1 build #4155, I try 'Open Project' or 'Reopen Recent Project' and nothing happens - no events, no CPU spikes, anything...
How do I properly open a project made with IntelliJ 5.0.2 in IntelliJ 5.1 build #4155?
Here is a sample .ipr file that I am trying to open: