Being your Mac’s default e-mail reader, Mail is likely the program you use to read messages on your various internet accounts (Google, Yahoo, iCloud, among other). However, for some who use Mail, after upgrading OS X you might find a problem where the text cursor behaves sporadically, and will move backward a few characters every now and then as you enter text, interrupting your ability to type continuously. In addition, you might see garbled output, either as you type or as you read messages sent to you. Continue reading ⇒