+ 0 Votes Suggest you try the "Questions" forum. deepsand 7 years ago The "Discussion" forum is for matters of general discussion, not specific problems in search of a solution. Post problems such as this to the "Question" forum, rather than the "Discussion" forum. There are those who specifically seek out problems in need of a solution, and that's where they go to look for such. Furthermore, the "Questions" forum provides for your rating Helpful responses as such, so that others, with the same or a similar problem, might be able to find aid without having to necessarily begin a new Question. + 0 Votes Try this. deepsand 7 years ago http://techrepublic.com.com/5208-6230-0.html?forumID=102&threadID=212161&messageID=2177609 + 0 Votes Same Problem Here mt151 7 years ago I also receive the same error message when attempting to open the practice files that came with the book.(Microsoft office project, Step-by-Step) I also contacted Microsoft, who sent me a new CD to try and remidy the problem. The new CD failed as well. Has anyone been successful in figuring this out???