On second though Bong may have hit it on the head. You should still have a NOCD for a stock game if you were unlucky enough to get a Securom disk like me!
You dont have all these IL2 folders in the ubisoft folder by the way do you?
No, have not. Made a folder on it self. I have NODVD, but it didn't change anything.
If you are using a Mod Enabler like JSGME, you must switch your game back to stock before removing files or you will corrupt your install.
I guess that is it. Well no harm done, I installed the Superpack, Histomod, a Squadron Mod, Stock 4.11.1 and Stock 4.7. after I reinstalled the game. And all seems to work now.
But it seems still strange that with deleting a modded folder the stock game wont run but all the other Mod folders work.