Are you getting error messages when opening iWork ? iWork is an Office suite for Mac that allow you to create and modify different types of documents. You may have created many important files with it and now you can not access them because of the error. The reason why you are Getting error messages when opening iWork is that may be the iWork application has gone corrupted. The corruption can be caused if the application was not closed properly last time, may be the system files have become damaged. The error can also be shown if the system is infected by the virus. You can resolve the issue of getting error messages when opening iWork by reinstalling the application on Mac. If any of you documents have become lost or corrupted because of this error then you can use time machine backup facility to restore all the files. The time machine is unable to provide the backup then you can use the iWork recovery software which can repair and then restore all the documents. So by this way you will stop Getting error messages when opening iWork and recover all your files using the software.