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Power Automate Desktop - Message box being blocked

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Posted on by GlenLane

Can anyone advise what method PAD uses to send a message to the local computer ie. using message boxes. I need to know as one of our security settings is blocking these messages. I can see that PAD is trying to open the window as it is showing in the taskbar (flashing orange) but unable to display that window. Tested outside the environment and flow works as expected. Thanks in advance for any advice.

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Power Automate Desktop

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VJR 7,635 on at

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PAD uses the Robin RPA language and the code behind for calling a Display Message is as follows.

Display.ShowMessageDialog.ShowMessage Title: $'''Title''' Message: $'''test msg''' Icon: Display.Icon.None Buttons: Display.Buttons.OK DefaultButton: Display.DefaultButton.Button1 IsTopMost: False ButtonPressed=> ButtonPressed

But you won't be able to directly see what's written in this function -> Display.ShowMessageDialog.ShowMessage.

Quite some time ago I had seen a LinkedIn post where even this function code was visible using some external tool.

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GlenLane 37 on at

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Thanks VJR, I'll check with our internal Devs to see if they have had any issues with message blocks when using code like this. As I say, the weird thing is the window tries to open but is blocked from displaying. I haven't had issue with other automated actions on the PC using PAD.

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GlenLane 37 on at

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So I've discovered the issue. I created the flow with second monitor attached, DOH! This seems to cause the issue and once I found the right words to Google, found the answer here https://powerusers.microsoft.com/t5/Power-Automate-Desktop/Second-display-Input-dialog-Box-Bug/td-p/1461427
Hope this helps someone else in the future!

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