When I try to open the company file, suddenly my QuickBooks won’t open. This is the most common issue that is creating problems to work on the software. I am attempting to open the company file; I am getting a lot of problems for this job. I am not a new user of QuickBooks and hence, I have much experience about some kinds of technical problems with my software. I have resolved some QuickBooks problems. I think that I am missing something very simple about QuickBooks won’t open error. Anyone can help me for this error.