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Excel with XLL add-in loaded crashes when opening one-drive workbook RRS feed

  • Question

  • Hi,

    We have our Excel add-in (*.xlam) that loads an *.XLL and a .NET COM add-in (*.DLL). The problem is that, Excel is crashing when opening a workbook from a OneDrive synchronised location, when the add-ins are loaded. This is happening only in Excel 2016 64-bit. Following are the sequence of steps, when Excel crashes:

    1. Open 64-bit Excel add-in (*.xlam) that loads 64-bit *.XLL and 64-bit .NET COM add-in.
    2. Open a workbook from a OneDrive synchronised location.
    3. Excel 2016 64-bit crashes.

    Test results:

    1. The problem can only be re-created in Excel 2016 64-bit with 64-bit Excel add-in (*.xlam) that loads 64-bit *.XLL and 64-bit .NET COM add-in, when opening a workbook from a OneDrive synchronised location.
    2. The problem does not occur in Excel 2013 64-bit with 64-bit Excel add-in (*.xlam) that loads 64-bit *.XLL and 64-bit .NET COM add-in, when opening a workbook from a OneDrive synchronised location.
    3. The problem does not occur both Excel 2013 and 2016 32-bit with 32-bit Excel add-in (*.xlam) that loads 32-bit *.XLL and 32-bit .NET COM add-in, when opening a workbook from a OneDrive synchronised location.

    Additional information:

    Following is the log from Windows Event Viewer:

    Log Name:      Application
    Source:        Application Error
    Date:          24/09/2020 09:59:42
    Event ID:      1000
    Task Category: (100)
    Level:         Error
    Keywords:      Classic
    User:          N/A
    Computer:      Admin-HP.Beicon.local
    Description:
    Faulting application name: EXCEL.EXE, version: 16.0.12527.21104, time stamp: 0x5f55dea3
    Faulting module name: mso20win32client.dll, version: 0.0.0.0, time stamp: 0x5f54a3ba
    Exception code: 0x028cc35b
    Fault offset: 0x00000000001d62ed
    Faulting process id: 0x1d4
    Faulting application start time: 0x01d69250f5feeef9
    Faulting application path: C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    Faulting module path: C:\Program Files\Common Files\Microsoft Shared\Office16\mso20win32client.dll
    Report Id: d876ad5a-1235-4d10-85dc-dd25924670ac
    Faulting package full name: 
    Faulting package-relative application ID: 
    Event Xml:
    <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
      <System>
        <Provider Name="Application Error" />
        <EventID Qualifiers="0">1000</EventID>
        <Level>2</Level>
        <Task>100</Task>
        <Keywords>0x80000000000000</Keywords>
        <TimeCreated SystemTime="2020-09-24T08:59:42.814145000Z" />
        <EventRecordID>111789</EventRecordID>
        <Channel>Application</Channel>
        <Computer>Admin-HP.Beicon.local</Computer>
        <Security />
      </System>
      <EventData>
        <Data>EXCEL.EXE</Data>
        <Data>16.0.12527.21104</Data>
        <Data>5f55dea3</Data>
        <Data>mso20win32client.dll</Data>
        <Data>0.0.0.0</Data>
        <Data>5f54a3ba</Data>
        <Data>028cc35b</Data>
        <Data>00000000001d62ed</Data>
        <Data>1d4</Data>
        <Data>01d69250f5feeef9</Data>
        <Data>C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE</Data>
        <Data>C:\Program Files\Common Files\Microsoft Shared\Office16\mso20win32client.dll</Data>
        <Data>d876ad5a-1235-4d10-85dc-dd25924670ac</Data>
        <Data>
        </Data>
        <Data>
        </Data>
      </EventData>
    </Event>

    Could someone please help?

    Kind regards,

    Misbah

    Thursday, September 24, 2020 4:02 PM