By Mayo Clinic Staff. Alcohol intolerance can cause immediate, unpleasant reactions after you drink alcohol. The most common signs and symptoms of alcohol intolerance are stuffy nose and skin flushing. Alcohol intolerance is caused by a genetic condition in which the body is unable to break down alcohol efficiently.
About iTunes library files. iTunes uses iTunes library files and your iTunes Media folder to organize and store your music and other media. Your iTunes library files track the media you add to iTunes, how you've organized it, and other information such as playlists, play counts, and song ratings. About the iTunes Library.itl file.
Create or choose a different iTunes Library file. Using a new iTunes library might help you isolate or fix launch issues. You can also create separate iTunes Libraries if you share your computer with multiple people in your household.