I always have them when the game is running- That was always normal for me.
(http://i58BannedImageSite/mt1fg2.png)
What Ingredient means by "delete the file" is send it to the recycle bin. Right click the corrupted file and click "delete." Then try starting the game. If it doesn't work, your best bet would be to reinstall the game with a new setup from here: -click- (http://www.feral-heart.com/index.php?option=com_content&view=article&id=23&Itemid=40) Don't download the torrent or the setup - only the setup.