Unable to use Idea - it's blanked

I have installed Jetbrains Idea 10.5.2 to use it's great capabilities for scala programming, but I'm getting stuck with it -- it is covered with s开发者_Go百科mall black squares instead of characters in all menus and messages:

I've googled it a lot but unfortunately couldn't find anything. Does anybody know what to do?

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May be you can try to change font for IDEA. For you it could be probably hard - but you can try. Open global setting with Ctrl+Alt+S. And then try to blindly find font option like on this screenshot: