How to Fix QuickBooks Event log Error 4

It is well-acknowledged that QuickBooks accounting software is one of the most reliable bookkeeping solutions available across the globe. Intuit has provided so many easy-to-use features in QuickBooks that users usually do not find any difficulty in carrying out complex accounting tasks. But, as with any other software packages, you may face various errors and issues that can interfere with your work. QuickBooks Event Log Error 4 is an instance of such an error.

What causes QuickBooks Error 4?
QuickBooks Error 4
Major cause of QuickBooks Error 4 is the occurring of issues with .NET Framework 4.0 SP 1 in the Microsoft Windows 7 operating system. Other causes that can lead to QuickBooks Event Log Error 4 are :

Damaged or corrupted QuickBooks file.
System is infected by a virus or other malware.
QuickBooks is not installed completely.
Error in Windows registry.
A program has erased QuickBooks files.
How you know that QuickBooks Event Log Error 4 has occurred?
Following symptoms will indicate that this error has occurred :

QuickBooks event id 4 error message pops up on the screen.
QuickBooks crashes or freezes.
Windows or QuickBooks works slowly.
Windows crashes.
You May Also Read: Resolving QuickBooks Error 5

How you can fix QuickBooks Error 4?
To troubleshoot QuickBooks Error event id 4, perform the following steps :

Login into your PC with administrator account.
Open Run by pressing Windows and R keys.
In the Run box that opens, type Control.
Click OK and Control Panel will open.
Open the Program and Features window or Add/Remove programs window. You can also directly open Program and Features window or Add/Remove programs window by typing appwiz.cpl in the Run box and hitting Enter button.
In the installed programs list, find Microsoft .NET Framework 4.0.
Highlight Microsoft .NET Framework 4.0.
Choose uninstall.
After Microsoft .NET Framework 4.0 has got completely uninstalled, restart your PC.
After your PC has restarted, again open Run by pressing Windows and R keys.
In the Run box that opens, type Control.
Click OK and Control Panel will open.
Open the Program and Features window or Add/Remove programs window.
Look for Add Remove Windows Features on the left side.
Click Add Remove Windows Features to view Windows Feature screen.
Expand .NET Framework in the Windows Feature screen so that Microsoft .NET 3.5 is visible.
Place check marks against both the first and second options.
Click OK button so that .NET Framework 3.5 gets install on your computer.
After .NET Framework 3.5 installation has completed, press the Finish button.
Finally, restart your PC.
If the QuickBooks Event Log Error 4 is still not resolved, you can follow these steps :
Update QuickBooks to the latest release. If in case, QuickBooks crashes when you try to login, you can download the updates from the Intuit’s QuickBooks website.
Download QuickBooks Install Diagnostic tool from the Intuit website.
Run QuickBooks Install Diagnostic tool. Before running, close any opened programs.
Restart your PC.
Check if the QuickBooks Error 4 still occurs.
If QuickBooks Event Log Error 4 is still not resolved, reinstall QuickBooks software using clean install. Make sure you have installation CD and license number to reinstall QuickBooks before uninstalling it. Don’t forget to back up your company file before uninstallation.