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I am using QBXML SDK to connect to quickbooks from visual studio. It was working fine and updating invoices till yesterday when I installed the quickbooks update. After Updating quickbooks, its showing the following error:

    System.Runtime.InteropServices.COMException (0x80040408): Could not start QuickBooks.
   at Interop.QBXMLRP2.IRequestProcessor4.BeginSession(String qbFileName, QBFileMode reqFileMode)
   at QB_Process.API.ProcessRequests.Process(String operation, String strXML)

Whats wrong?

sony
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  • I received this same error while loading a project, but it wasn't Quickbooks related. The problem and solution appear to be the same. – Cryptc May 08 '23 at 19:48

1 Answers1

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This issue was with permissions and not with the update. In the task scheduler, I changed the user group to administrator and its working now...

sony
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