Make sure that the environmental variable "ComSpec" with value "C:\WINDOWS\system32\cmd.exe" exists on the machine. URL: The URL you would like to navigate toįinally, please find some general checks that you may apply in case the above actions do not fix the error: Web browser instance: The variable produced by ‘Launch new browser’ action Set the interval in seconds to 5 by clicking on the number of seconds Set the number of time to 20 by clicking on the number of times Variables produced: Replace the new Browser to variable to the name of the variable produced by step 1Įnable option ‘Retry action if an error occurs’
Insert a new ‘Launch new browser’ action of the same browser as Step 1 Insert a new ‘Launch new browser’ action asĬlick ‘On error’ option in the action windowĬlick on ‘Continue flow run’ and select ‘Go to next action’ in the dropdown list Install the respective Web extension from the Power Automate Desktop designer.Įven if the extension seems installed and enabled, please remove it and reinstall it. This behavior might not be consistent (some executions could be successful). Please note that the Web extension might seem to be installed and enabled in the extension repository of the specific Browser but the execution to be unsuccessful.Įxecution of a Desktop flow with one of the respective actions fails with this error message. Web Recorder initiation for the specific browser generates the below message This error can be generated at least for one of the below cases:Ĭase 1: Edge/Chrome/Firefox web extension is not installed properly or enabled.Ĭase 2: Launch of the Browser is taking longer than the default timeout of the action – 30 seconds – the automation is trying to assume control of the browser before opening and as a result the Launch browser action is failing.Įxecution of a Desktop flow with one of the respective actions fails with this error message.
The user executes a Desktop flow containing a ‘Launch Edge’ or ‘Launch Chrome’ or ‘Launch Firefox’ action and the execution fails with error message ‘Failed to assume control of Microsoft Edge (Internal error or communication failure).’ or ‘Failed to assume control of Chrome (Internal error or communication failure).’ or ‘Failed to assume control of Firefox (Internal error or communication failure).’ respectively. Error ‘Failed to assume control of Microsoft Edge/Chrome/Firefox’
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