Flow stuck after launching a web browser

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Posted on by Community Power Pla... Microsoft Employee

Hi I have some RPA flows and I has been getting stuck after using "launch chrome browser" or "launch edge browser".

It won't move on to next flow. Does anyone know why this is happening??

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Power Automate Desktop

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VJR 7,635 on at

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@Anonymous

Are there any popups behind the browser window that is blocking the launch further?

Are you directly opening a URL OR are you using the Attach option (which takes a lot of time)?

Are you able to share the URL to take a look?

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Community Power Pla... Microsoft Employee on at

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No there is no pop up or anything. The flow is just stuck at launch edge.

And after awhile it gives me this error.

Failed to assume control of Chrome (Communication with browser failed. Try reloading extension).

Exception of type 'Microsoft.Flow.RPA.Desktop.UIAutomation.WebAutomation.Core.Browser.WebBrowserException' was thrown.: Microsoft.Flow.RPA.Desktop.Modules.SDK.ActionException: Failed to assume control of Chrome (Communication with browser failed. Try reloading extension). ---> Microsoft.Flow.RPA.Desktop.UIAutomation.WebAutomation.Core.Browser.WebBrowserException: Exception of type 'Microsoft.Flow.RPA.Desktop.UIAutomation.WebAutomation.Core.Browser.WebBrowserException' was thrown.
at Microsoft.Flow.RPA.Desktop.UIAutomation.WebAutomation.Core.WebExtensionsBrowser.WebExtensionsBrowserLauncher.LaunchNew(ProcessWindowStyle processWindowStyle, String initialUrl, Int32 timeout, WebPageCourseOfActionIfDialogAppearsEnum dialogHandlingMode, String dialogButtonName)
at Microsoft.Flow.RPA.Desktop.UIAutomation.Plugin.Chrome.Chrome.StartNew(ProcessWindowStyle processWindowStyle, String initialUrl, Int32 timeout, WebPageCourseOfActionIfDialogAppearsEnum dialogHandlingMode, String dialogButtonName)
at Microsoft.Flow.RPA.Desktop.Modules.WebAutomation.Actions.WebAutomationActions.LaunchNewChrome(String initialUrl, String chromeTabTitle, String chromeTabUrl, String dialogButtonToPress, Int32 operation, Int32 windowState, Int32 attachMode, Boolean waitForWebPageToLoad, Int32 waitForPageToLoadTimeout, Int32 courseOfActionIfDialogAppears, Boolean clearCache, Boolean clearCookies, Int32 timeout)
at Microsoft.Flow.RPA.Desktop.Modules.WebAutomation.Actions.LaunchChromeBase.Execute(ActionContext context)
--- End of inner exception stack trace ---
at Microsoft.Flow.RPA.Desktop.Modules.WebAutomation.Actions.LaunchChromeBase.Execute(ActionContext context)
at Microsoft.Flow.RPA.Desktop.Robin.Engine.Execution.ActionRunner.Run(IActionStatement statement, Dictionary`2 inputArguments, Dictionary`2 outputArguments)

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VJR 7,635 on at

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Hi @Anonymous

I get this error when the URL of the browser does not match the one given in the PAD action.

With the long URL that you have masked I am suspecting PAD couldnt find a matching browser window.

Please give an exact one or try using wild cards for long URLs.

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Community Power Pla... Microsoft Employee on at

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I am using exact URL as the website. It's still the same.
What do you mean by wild cards?

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VJR 7,635 on at

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Each time the Url wont be the same when random unique numbers get added

When using the below URL it worked fine.

https://www.google.com/search?q=power+automate+desktop&source=hp&ei=e9FQY7raJenhseMPpJWjkAw&iflsig=AJiK0e8AAAAAY1Dfi6dI_R0irxC0f8bdntceHXoUkuqE&ved=0ahUKEwj6g9KD_-36AhXpcGwGHaTKCMIQ4dUDCAg&uact=5&oq=power+automate+desktop&gs_lcp=Cgdnd3Mtd2l6EAMyBQgAEIAEMgsIABCABBCxAxCDATIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEOg4ILhCABBCxAxCDARDUAjoLCC4QgAQQsQMQ1AI6CAguEIAEELEDOggIABCxAxCDAToRCC4QgAQQsQMQxwEQ0QMQ1AI6CAgAEIAEELEDUABY_hFg5BhoAHAAeAOAAZ4DiAHvJJIBCjAuMTIuOC4xLjGYAQCgAQE&sclient=gws-wiz

But when I simply added one alphabet it got stuck and threw the same error as yours.

https://www.google.com/search?q=power+automate+desktop&source=hp&ei=e9FQY7raJPenhseMPpJWjkAw&iflsig=AJiK0e8AAAAAY1Dfi6dI_R0irxC0f8bdntceHXoUkuqE&ved=0ahUKEwj6g9KD_-36AhXpcGwGHaTKCMIQ4dUDCAg&uact=5&oq=power+automate+desktop&gs_lcp=Cgdnd3Mtd2l6EAMyBQgAEIAEMgsIABCABBCxAxCDATIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEOg4ILhCABBCxAxCDARDUAjoLCC4QgAQQsQMQ1AI6CAguEIAEELEDOggIABCxAxCDAToRCC4QgAQQsQMQxwEQ0QMQ1AI6CAgAEIAEELEDUABY_hFg5BhoAHAAeAOAAZ4DiAHvJJIBCjAuMTIuOC4xLjGYAQCgAQE&sclient=gws-wiz

Wild card indicates adding a asterisk after the point where you think the URL could change

https://www.google.com/*

Also at times I have noticed that https://www.websitename.com gives an error but ~~https://~~www.websitename.com or even ~~https://www.~~websitename.com works great.

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Community Power Pla... Microsoft Employee on at

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Thanks for your fast reply.
I tried deleting and redownloading power automate extension and it worked afterwards.
I think there was a bug with the extension

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