When you open or work in QuickBooks Desktop, you may get an unrecoverable error. The following are the most typical causes of unrecoverable errors: Updates for Windows or QuickBooks are missing. Resulting in data loss These are a few of the most typical causes of Unrecoverable Errors, as well as the codes that may accompany them. The error number you obtain may change from what is indicated due to the random nature of the mistakes. The list is not exhaustive, and you may experience an error that differs from those described.