Every time Apple launches a major iOS or Mac OS X revision there are some gremlins in the works. iOS 7 is no exception and this year we've heard many reported issues with the operating system. Sometimes it’s a problem with the new software, occasionally it’s a problem at Apple’s back-end server, and with millions of updates taking place at the same time it’s sometimes just a congregation of people suffering similar installation problems. Macworld readers are reporting problems with Messages, Apple’s iOS internet messaging service. If you’re having trouble with Messages for iOS then there are a number of different things you can try. Here we outline some quick fixes for common Messages problems: See: Developers concerned that iOS 7 not ready