Error: QuickBooks is already open and needs to be closed
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While installing QuickBooks Integration Manager, you may encounter the following error message,
"QuickBooks is already open and needs to be closed"
Ensure that the QuickBooks application is closed. If you still see the same error message, then you might have to manually kill the QuickBooks process that is running in Windows background, by following the below steps:
Note: If these steps don't resolve the situation, then try installing QuickBooks Integration Manager again.