why do i get error code 4 when opening a saved document?
During my free trial period i had a document that i've amended and saved several times. the free period has ceased and i tried to open the document and an window appears stating the file is damaged (error code 4). this happens with every document that i open. i've paid today to have indesign for the year and the documents still will not open and still gives the error code 4 window. Help.

