A frequent Windows-related problem known as QuickBooks Event ID 4 arises when the.NET Framework is broken or configured incorrectly. It may make it impossible for QuickBooks to launch or operate properly. In order to restore normal speed, fixing this problem usually entails repairing the.NET Framework, updating Windows, or reinstalling QuickBooks. Call 1.855.738.2784 to speak with a QuickBooks expert if you need assistance.