How old/big is your hard drive? May be you need to update it, because this could be a reason why why wont my email work on my apple phone pop up windows. By the way, good using habit and regular maintenance will extend its life span.Third -- Unreasonable startup or shutdown operation.
Sometimes when you hurry to do something else, like go shopping, hung out with friends, you may force a shutdown to close the computer as it is much faster than normal operation, but in fact it is rather bad behavior, voiltent and may cause windows errors like why wont my email work on my apple phone.Fourth - Incomplete or defective third party applications.
Baddly programmed application is likely to be a source of why wont my email work on my apple phone error, when users install or uninstall programes, especially uninstall some applications, some vital or important data/files may be deleted accidently. Next time, when you launch the personal computer or open a program, that file can't be found, then error will popup.