QuickBooks Event ID 4 happens when the program runs into issues with the network or database setup, which frequently stops QuickBooks from starting up or accessing corporate information. Damaged company data, unfinished installations, or network problems could be the source of this error. Repairing or reinstalling QuickBooks and examining network settings are necessary to fix it. Our QuickBooks Experts staff can be reached by phone at 1.855.738.2784.
https://www.useallot.com/read-blog/701_quickbooks-event-id-4-causes-troubleshooting-and-effective-solutions.html