There is not one but different ways to fix QuickBooks desktop Connection has been lost problem. And that highly depends on the cause. For those who are unable to determine the cause or signs; we would suggest that you get help from an expert. Here are some common and easy ways to get rid of this problem.

• Using the file repair tool from Quickbooks File Doctor.

• Try checking your portable file in the company file for any damage.

• Check whether or not your network is broken.

• Try to restart your computer once and check if the issue still remains.