Disable the Office Plugin that comes with Symantec/Norton AntiVirus. See
http://support.microsoft.com/?kbid=329820 "How to use Office programs with
the Norton AntiVirus Office plug-in" for more information.

"RobM" wrote:

Simply trying to open files, Excel and Word! Either through Explorer or using
the Open file option, getting the above error message. Have I somehow deleted
a settings file / adjusted the settings? How do I fix this problem? Thanks