Word Application Scope starts: "The message filter indicated that the application is busy. (Exception from HRESULT: 0x8001010A

How to resolve the error thrown by MS Word Application Scope - application is busy ?

Resolution : Similar events may occur when UiPath accessing the word application MS office word exceeds the processing capacity. Below are some countermeasures to approach this problem.

The Exception error message HRESULT: 0x8001010A indicates the Word Application Scope being invoked is busy and the RPC call to system cannot be processed on the given time, it is required to retry the same action to overcome this issue.

  • Enclose the activities in a "Retry scope" activity ( leave the condition empty in retry scope activity as demonstrated below) so it will retry whenever it failed.


  • Add some "Delay" between activities where this issue is encountered, by placing/setting an appropriate "Delay" before and after the target activity,

Avoid timing-dependent issues :

  • Debug workflow and check after the Word application scope closes, open Task Manager and check whether WINWORD.exe is still running or not
  • Ensure all the COM add-ins are disabled in this scenario.