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How to Troubleshoot QuickBooks Error 4120 | Forum

Topic location: Forum home » Support » General Questions
Ben Mark
Ben Mark Sep 20 '22
When QuickBooks Error 4120 occurs, the software works slowly and responds slowly to the action, i.e. to the mouse and keyboard inputs. The computer may also be crashed due to the occurrence of Error code 4120. Your computer may also freeze or hand for few minutes at some times.


One of the premier accounting software, QuickBooks is used by small and medium sized businesses for their basic to advanced accounting needs. Offering a great variety of tools, QuickBooks helps organizations in preparing invoices, bills, payments, managing payroll and many other things. All these features make QuickBooks the most sought after. But it is prone to bugs and errors which may disturb the process and ultimately the workflow. One needs to be aware and alert when the error occurs, so that they can resolved without any data loss.

Peter Groft
Peter Groft Sep 24 '22

At first, you need to Copy all the company related files to some other system. And check if you are able to open the files or not in another system.

In case the file opens, then it is recommended to Repair the Windows of the previous system.

And if the files do not open in other system as well, then it means that the files are damaged. These files can be fixed by using the file doctor tool.


Greetings,

Peter