Changes in Microsoft security have made viewing MOMI help, when connected via a network drive or share, much more difficult.
HTML Help can generate lots of scripting warnings. Widows Help may only display the Table of Contents, but not individual pages.
If help is not available on the local PC, Flash Help and User-Define Help, which defaults to the BlackWood Web site, seem to be the best choices at this time.
Sometimes, Unblocking a file within Windows (right-click on the file and select Properties) will remove access limitations.