I just started using Intellij on Windows 7. There seems to be bugs. Right now the IDE itself is stuck open, as in it won't close. Choosing exit from the File menu does nothing at all. Clicking X to close does nothing at all. Is this normal on windows 7? Is there a best Operating system to use Intellij on? If I buy it and it doesn't work on Windows can I use the same License on Linux? I honestly fear buying something that starts out with bugs. Opening and closing are the easiest of all tasks too.