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An Unexpected Error Has Occured In “QuickBooks”: Returning Null Qbwininstance Handle

An Unexpected Error Has Occured In “QuickBooks”: Returning Null Qbwininstance Handle

Submitted by • September 25, 2020 accountingerrors.com

When QuickBooks integration manager (QBi) is launched, and it tries to attach to QuickBooks, it shows a message stating: Integration Manager couldn't hook up with QuickBooks. Please confirm that it's open. In Application section of the event viewer in Windows, it shows a mistake message which states: Quick books EventID 4 – An unexpected error has occured in "QuickBooks": Returning NULL QBWinInstance Handle. For more details contact on this number- 1-855-481-5338.

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Voted by ndavid

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