When a user attempts to restore the company file from a backup, the infamous QuickBooks Error 6123, 0 appears. The problem disrupts the activities of the QuickBooks company file and emerges out of nowhere with no prior warning. The troubleshooting techniques described in this article can be used to quickly fix the variables and technical issues that are the cause of QuickBooks Desktop error 6123. You may save a lot of time by determining the causes of errors, so we've also provided a list of the most frequent causes of QuickBooks error codes 6123 and 0.

If QuickBooks Desktop is not keptup to date, it not only invites mistakes but also leads to decreased performance. By keeping QuickBooks updated, you can be certain that the software is free of bugs and other problems that could detract from the end-user experience. 
Follow our article How to Update QuickBooks Desktop to the Latest Released Version for detailed instructions on how to do this for QuickBooks Desktop.