Act! Version 18.0.490.0 (Browsers Internet Explorer and Chrome). "Object reference not set to an instance of an object." Here’s the ROUTE followed and what happens: Companies, to More Options, to Go to Advanced Query, to Open an Existing Query. Touch the first saved query, touch Open. [CHROME LOCKS HERE] Touch Preview. Touch OK. The list appears. Touch the icon for Export to Excel. Instead of exporting, small window appears: "Message from Webpage Object reference not set to an instance of an object. [We CAN Export contacts to Excel from Groups (via Groups in the Menu Bar, to Create Lookup) but cannot Export to Excel a list of current Companies].
This is a known issue in the version of Act! you have installed. It has been fixed in a subsequent update for v18.
Please update to the latest version of the software to resolve this issue. You can find updates in the Download Center. Look for Act! Pro v18 SP2 Update and Act! 18.2 Update 4.