A family of Microsoft word processing software products for creating web, email, and print documents.
How did you setup the back button to your procedure documents?
Where is the original document located (local drive, Network drive or external hard drive)?
Are there any Macros/codes in the document?
If the document is shared or on network drive, then you may also post your question in Word IT Pro forum mentioned below for better suggestion:
http://social.technet.microsoft.com/Forums/en-US/word/threads
If the document contains macros/codes, then please post your question in customization forum mentioned below for better suggestion:
http://answers.microsoft.com/en-us/office/forum/office_2010-customize?tab=unanswered