Microsoft Office Sign in Pop up Appearance Inside Virtual Machine Intermediately

I am running Visual Basic script in virtual machine to perform excel/outlook operations. Sometimes I am getting the below popup and script throwing the error : The message filter indicated that the application is busy. (Exception from HRESULT: 0x8001010A (RPC_E_SERVERCALL_RETRYLATER)) .

Microsoft SignIn Popup

Please let me know solution to remove this Popup.

Thanks, Arjun