QuickBooks is software which is designed to help us manage our accounting and business needs quite easily. Either you’re new to this software or already an existing QuickBooks customer, it makes it easy to run your day to day business problems smoothly. Each solution is developed according to the different industries and the way they use the resources.Check your QuickBooks Company file if it is damaged or not. Make sure that you run this on your server which is hosting the data file. Computer files can damage including the company file. quickbooks connection has been lost the company file Verify your company data file and rebuild it if you find it necessary. owever, if the error still persists, I suggest contacting our Customer Care support team at 1800-396-7703. They have the necessary tools like screen sharing to check your account and determine what caused the error.and fix the issue as soon as.