QuickBooks Event ID 4 is caused by the corruption of the .NET Framework. This happens when users try to start the QB Integration Manager, damage to system files(QBW), corrupt installation, conflict with third-party programs, or a corrupt Windows registry. Certain users will have unreadable data, such as company file data, and some other important data … Continue reading Best Troubleshooting Tips to Resolve QuickBooks Event Id 4 Error