I've had a couple of people report an issue with connecting to QuickBooks during a refresh.

I found that they had an older version of the trial. If you get this message, download the trial again and re-install.

Build 2193-3268 May-07-2009

fixes the problem. So if you check your builds - Help - About QRB , you should have a build greater than or equal to this one....

Please let me know if this does not fix the problem for you.