Are you using QuickBooks software and are worried about the error 6000 83? QuickBooks error 6000 83 occurs when users try to transfer a QuickBooks file to another computer or because the current computer is not compatible with the QuickBooks file or the company's network connection is not working. If you are unable to resolve this error, try transferring the file on a different computer and then transfer it back to the original computer. Error 6000 83 is a message that sometimes pops up when you try to open QuickBooks. This message means that the QuickBooks file is corrupted, which makes it unusable.