You've run into a rejected migration. When this happens, a question gets migrated to the a and is then closed on the target site, it gets bounced back to the source site:
http://stackoverflow.com/questions/13327336/application-runs-faster-in-a-virtual-machine?noredirect=1https://stackoverflow.com/questions/13327336/application-runs-faster-in-a-virtual-machine?noredirect=1
Where it shows a simple "Off Topic" close. If you have the rep for it, you can cast a Reopen vote, which will get it into the review queue and it may get opened back up again. In its current state it can still accept comments, though.
