“Error: MM6.EXE – Application ErrorThe instruction at “0x01b53d70” referenced memory at “0x00000000”. Thememory could not be “read”. Click on OK to terminate the program.”: OKThis message has appeared periodically on my computer and I wonder if that is why some revisions (that I know were made) did not always show up in finalized documents.The operating system is XP with 3Gb Ram Any suggestions? 1 person got this answerI do too