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Power Platform Community / Forums / Power Automate / Error: Argument 'Brows...
Power Automate
Suggested Answer

Error: Argument 'BrowserInstance' Must Be 'Web Browser Instance'

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Posted on by

I'm encountering this error intermittently while running my flow:

"Argument 'BrowserInstance' must be 'Web browser instance'"

Most of the time, the flow runs without any issues. However, occasionally and without any apparent pattern, it fails with this error.

Can anyone help me understand:

  • What might be causing this error?

  • How can I resolve it when it occurs?

  • Are there best practices to prevent it from happening in the future?
     

Any guidance would be appreciated.

Thanks in advance!

I have the same question (0)
  • Suggested answer
    VishnuReddy1997 Profile Picture
    2,656 Super User 2025 Season 2 on at
     
    Can you send a screenshot of you desktop flow. Because this error is related to the Browser. Some where in the flow the browser is getting closed or teminated and when next action related to that are getting triggered and getting this issue.
     
     
    Regards,
    vishnu Reddy

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