When you try to open a company file, you see one of the following messages:
There are several possible causes for this error:
Intuit recommends several solutions for this problem. The first solution may solve your problem, or you may need to try all of them to resolve the issue. For best results, perform the solutions in the order shown.
Important: If you are attempting to open a file stored on an external drive or flash drive, copy the file to your hard drive and open it from there.
If you were unable to configure your firewall with the File Doctor Tool and you still see the error, manually configure your firewall:
If you still see the error, try the next solution.
If you are unable to successfully prevent BitDefender from blocking QuickBooks communication, contact BitDefender Technical Support at: 800.388.8062 - option 2.
Note: If you have other Internet security software installed on your computer, you will need to exclude the QuickBooks program directories:
Refer to this article for more information on firewall settings for QuickBooks.