Automatic Updates message?

I have a worksheet, which when opened, has a macro to open another worksheet. The first worksheet has cell values linked to the 2nd sheet. But when the first workbook opens, I get the message "The workbook you opened contains automatic links to information about another workbook..." etc. There is an option for yes and no. Is there a way to prevent this message from coming up and automatically select yes so it does update the cells without the user seeing the message?

thanks!