QuickBooks Error code 1904 could appear on user's screen sometimes when user opens QuickBooks because of damaged source file. But we've taken down all the steps which will surely help user in getting away from this error. Following are those steps:
Choose the Windows Start button.
Right-click the CMD Run icon and type "CMD" in the search box.
Choose the option "Run" as administrator.
Type "net user administrator /active:yes" in the command window and hit Enter.
Exit the command window once the command is complete.
Select the Windows Start button.
Select the sign-out option from the drop-down menu.
Sign in to the Administrator account by clicking on it.
QuickBooks Error 1904 occurs mainly due to Damage qbregistration.dat file. But we hope so that these above steps helped you to resolve the error code 1904. And if any step you found complicated then you can also get a guide from our experts for which you need to dial at their respective Toll Free Number.