Ran into QuickBooks desktop won’t open error and want to come up with most effective solutions to chuck them off. Well, if that is the case, we have got you covered. This particular error is often seen when you try to open the QuickBooks desktop or a company file but failed to do so. This error comes up on the screen with a warning message that says “QuickBooks already has a company file open. If you want to open another company file, close this one first”. Fixing this error might become easy, once you perform the set of steps that we have tried to mention in this segment. Whereas, if you aren’t interested in fixing such an error manually, then in that case connect with our tech personnel right away using our support line i.e., + 1(844)405-0907.

See also: How to Fix QuickBooks Unable to Create PDF Issue

The following can be the factors causing QuickBooks desktop doesn’t start or won’t open error.

·         One of the common reasons can be if there are corrupted hard disk

·         Another reason can be if the company file name is very large

·         Using an outdated operating system can be one of the common reasons

·         Damaged or missing QBWUSER.INI file can be another reason triggering QuickBooks desktop doesn’t start or won’t open error