I have a client with an active Excel spread sheet that has been sent to me that when I open it with Excel I initially get a security warning that says "Some active contect has been disabled" I click on options and tell it to "enable this content" and that is when I get a Microsoft Visual Basic Error "Compile error in hidden module: ThisWorkbook". I have tried opening it with Excel 2003, 2007 and 2010 with the same problem. Others that receive the same speadsheet tell that they are not having any problem with it. I have tried 3 different computers with different OS and version of Excel. What am I doing wrong here?