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Frequent Visitor

How to use Block Input



I use some send key actions in the flow.

I want to be disturbed while send key actions.

I want to use "Block Input" action. But Doesn't work.

Please tell me how to use  "Block Input" action.



1. Block Input

2. Launch Excel

- Break Point -


In this situation I can input on Excel.


Accepted Solutions
Impactful Individual
Impactful Individual

Figured it out, you simply need to run PAD in Administrator mode (and honestly this makes sense as PAD without administrator cannot change anything on the PC) and then it blocks everything completely, careful to not have your flow in an infinite loop when you do this as its actually kinda of scary how it completely takes control... ^^"

View solution in original post

Super User
Super User

Hi @TN100 


wat is ur process can u explain once



Ahammad Riyaz

Super User
Super User

I believe you are asking, "how do I pause the flow for human input into Excel, and then continue the flow?"  If this is wrong, disregard the rest.

I simply use the "Display Message" command.  So, add the command where you want the break point, "Provide text so your user knows what to do and that they have to click OK upon completion." 


The message will appear on top of PAD, but can be moved out of the way to manipulate Excel.  When the user is done manipulating Excel, they click OK, and the bot will continue.

If my post has answered your question, please thumbs up and mark this post as a solution.

I also offer paid consulting services. If you would like to discuss this option, please feel free to DM me and we can set up a time to join a Zoom call and fix any issues you are having.
Frequent Visitor

Hi, thanks for your advices.


I don't want to be input by humans while the flow is moving.

So I thought I'd use "Block Input" action.

Do you have any ideas?

Not applicable

Well, I took a test scenario and also have questions about how 'Block input' action should work...🤔


1) 'Block input' activated

2) 'Launch new Edge' and navigate to (sorry Bing)

3) Populate search field with "Power Automate Desktop"

By blocking input, I thought I wouldn't be able to use keyboard to write something in the search field once the Edge instance is launched. However, found no restriction in using mouse and keyboard. In picture below, was able to key all these 'd's before and during step 3:


So, in addition to @TN100 original question, could anyone clarify how (or in which conditions) 'Block input' is supposed to work?

Thank You @Anonymous.

That's what I wanted to say.

Impactful Individual
Impactful Individual

Figured it out, you simply need to run PAD in Administrator mode (and honestly this makes sense as PAD without administrator cannot change anything on the PC) and then it blocks everything completely, careful to not have your flow in an infinite loop when you do this as its actually kinda of scary how it completely takes control... ^^"

Thank you for response @Pavel_NaNoi .
I tried it and it worked! (and I restarted my computer…)
Thank you for solving my question!

Impactful Individual
Impactful Individual

Anytime, and yeah, be careful with it 😂👍

Helper II
Helper II

So, running as administrator work perfectly fine while using the designer etc, but when running from flow using the "Run desktop flow" (Attended) action it is not working. I figured I needed to set the "PAD.Robot.exe" file to run as administrator as well, but when I do this, the desktop flows cannot run at all.
I really need the block input to work when Desktop flows has been activated automatically from Flow!

@Pavel_NaNoi , did you get this to work when desktop flow is automated?

See below error message from flow.

  "error": {
    "message""Encountered an unexpected error during Desktop flow script execution: 'System.ComponentModel.Win32Exception (0x80004005): The requested operation requires elevation\r\n   at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo)\r\n   at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)\r\n   at Microsoft.Flow.RPA.Desktop.Robin.Runtime.Agent.Agent.LoadRobotImpl(RobotOptions options)\r\n   at Microsoft.Flow.RPA.Desktop.Robin.Runtime.Agent.Agent.<>c__DisplayClass73_0.<LoadRobotAsync>b__0()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at Microsoft.Flow.RPA.Agent.Server.Components.ScriptEngines.RobinEngine.RobinEngine.<Execute>d__19.MoveNext()'."

Sadly not, I tried after you told me about this but I'm as stuck as you are on this, it might just be a limitation of power automate.

Helper II
Helper II

I think it would be a weird limitation. I am sure it is supposed to work. Maybe @MIS  someone at Microsoft can solve this mystery for us!? 🤞🏻🙏🏻

After revisiting this topic after some time, I've found this on one of the official Microsoft documentations:



from here - so yeah there's no way to do that at the moment sadly.

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