how to resolve The message filter indicated that the application is busy. (Exception from HRESULT: 0x8001010A (RPC_E_SERVERCALL_RETRYLATER))

c# asp.net ms-office office-interop
Milind Anantwar picture Milind Anantwar · Feb 24, 2014 · Viewed 25.8k times · Source 
PowerPoint.Application PowerPoint_App;
PowerPoint_App = new PowerPoint.ApplicationClass();
PowerPoint_App.DisplayAlerts = PowerPoint.PpAlertLevel.ppAlertsNone;
PowerPoint.Presentation presentation;
presentation = null;
try
{
    PowerPoint_App.Visible = MsoTriState.msoTrue;
    presentation = PowerPoint_App.Presentations.Open(strPptFilePath, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoFalse);
    PowerPoint.Slide tempSlide = null;
    int totalSlides = presentation.Slides.Count;
    int slideNo = 0;

I am getting the below exception on PowerPoint_App.Presentations.Open code.

Exception Message: The message filter indicated that the application is busy. (Exception from HRESULT: 0x8001010A (RPC_E_SERVERCALL_RETRYLATER))

I did not received this error previously on this block of code. Everything was working perfectly before. Can anyone help?

Answer

Milind Anantwar picture Milind Anantwar · Feb 25, 2014

I ended up removing:

 PowerPoint_App.Visible = MsoTriState.msoTrue;

And it worked...!!!

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