
QuickBooks is a perfect software for handling the accounting of small & mediumsized businesses, but it can sometimes get affected by internal issues. The issues can cause the software functions to fail which can adversely affect the business. QuickBooks Error 80040408 is one of the problems that stop the software from starting. If your QuickBooks fails to launch due to this error, read this blog till the end to find out its reasons and the techniques you need to rectify it from your computer.
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Reasons
QuickBooks fails to start on your PC due to this error because of the conditions mentioned below-

• You have logged into your QuickBooks account from multiple devices and tried to access the account remotely.
• QuickBooks fails to run due to interruption of other applications on your system or compatibility issues with your outdated Windows.
• QuickBooks is struggling with glitches that may have occurred due to a defective software installation on your PC.
Solutions
You can fix this QuickBooks issue using the techniques given belowSolution 1- Run QuickBooks in Admin mode and turn off Quick startup
You’ll receive this error code when QuickBooks fails to launch. This issue can’t be blamed for a specific reason as there are many conditions that can act as a potential trigger for it. QuickBooks will fail to start if its processes aren’t allowed to run or it is not allotted the required system resources. This can happen if the Windows account you use does not have full access to configure the system settings. This error can also develop if the Quick startup is on in QuickBooks and the software fails to start due to damage in the previously opened company file. Apply the steps given below to repair this issue in your QuickBooks-

1. Go to the QuickBooks folder or run a search for ‘QuickBooks’ using the panel on the taskbar.
2. Right-click on the icon you use to launch the software and select Properties.

3. Click on the Compatibility tab and mark the checkbox for Run this program as Administrator.
4. You’ll have to turn off the Quick Startup option when QuickBooks opens.
5. Click on the General option and select Preferences.
6. Under the My Preferences column, unmark the Keep QuickBooks running for Quick Start-up’s checkbox.
7. Save the settings and reopen QuickBooks after rebooting your PC.
If you are unable to follow the procedure because QuickBooks fails to open, try the next method.
Solution 2- Utilize QB tool hub to fix the internal glitches
This error can also cause trouble if some program file gets damaged, resulting in internal issues in the software. Use the following steps to repair the software with QB Tool hub-
1. Open the QuickBooks Tool hub and select Program Problems.
2. Click Quick fix my program in the drop-down list and wait until the software is repaired.
3. Reopen QuickBooks. QuickBooks will start without any issues.

Conclusion
This is the end of our blog that provides the causes of QuickBooks Error 80040408 while launching the software. We expect you to use the solutions given in the blog to get access to your QuickBooks again. If you face any issues while using the techniques, speak t a QB expert at 1-855856-0042 for advice.
