After awhile, Mac OS X’s alert sounds can be downright grating, as can many of the sounds you hear in Mail, iCal, and iChat. Happily, creating a custom alert sound and adding it to your system isn’t ...

If you are unable to open an MP4 file on our media player, try changing the video format. There are many good video converters available on the internet that can help you convert your MP4 to MP3, AVI, ...