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nikosan
New Member

Cannot launch Power Automate Desktop (Preview) app

 

I have a Win 10 VM working on, and have downloaded/installed Setup.Microsoft.PowerAutomate.UIFlow.

 When trying to create a new flow, either from the web, orr by double-clicking on the shortcut, the app is not launching.

All required extensions are enabled on Chrome and there are no errors in the Event Viewer.

I’ve already tried Uninstalling – running Win Updates – reinstalling w/o luck.

Any suggestions?

16 REPLIES 16
kostasc
Employee
Employee

Hello nikosan,

Please perform the following actions:

  1. Uninstall PAD
  2. Delete the contents of the following folder: %LocalAppData%\Microsoft\Power Automate Desktop (Preview)\Cache (To navigate there, open a windows explorer and paste the string above in the address bar)
  3. Reinstall PAD

Let us know if you still can't launch PAD after this.

 

hi Kostas

 

I could not find this folder. only related folders:

 

- PowerAutomate

- PowerAutomate.Desktop

 

Nikos

Hi Nikos

Please remove both folders, uninstall and install the PAD client. 

You can find the installation file here: https://docs.microsoft.com/en-us/power-automate/ui-flows/setup

 

 

Hi Kostas,

 

Solved it.

 

Problem was with the Workspace declaration in config.json file under PowerAutomate folder (C:\users\AAAA\AppData\Local\Microsoft\PowerAutomate). it was pointing in shared folder rather than a local one.

 

{
"_recentWorkspaces": [],
"_workspaceDirectory": "\\aaa\\bb\\cc"
}

 

Once having changed that, it worked fine.

Anonymous
Not applicable

I have a similar issue. 

 

I installed Setup.Microsoft.PowerAutomate.UIFlow.exe

And when I start UI flows and PAD (both as administrator) I can see the following processes running in Task Manager:

  • UIFlowService
  • Power Automate Desktop (32 bit)
  • Microsoft.Flow.RPA.LauncherService
  • Microsoft UI Flows

However, the UI of PAD simply does not show up.

 

I already followed the above, and it did not work for me. Some things to mention:

  • My cache folder was empty, so I had nothing to remove.
  • I have never been able to run PAD. This would be my first time launching the software on this pc. I think this is why my cache folder is empty?
  • I did use WinAutomation however since I was investigating the software. I now found out that it is evolving into the Power Automate Platform. Maybe WinAutomation and PAD are interfering with each other?
  • I am using the Power Automate Platform in combination with a free Microsoft Tenant Account/Environment obtained from cdx.microsoft.com. Maybe this limits the use of PAD?
  • I am logged in to my laptop with a Microsoft account that is different from the Microsoft account obtained from the free Tenant. Is this a problem?
  • If WinAutomation is running, Power Automate is able to activate a WinAutomation process via UI Flow ✔️ So that connection does work. 

 

Any help will be greatly appreciated,

Indy

As mentioned, in my case problem was with the following file:

Problem was with the Workspace declaration in config.json file under PowerAutomate folder (C:\users\AAAA\AppData\Local\Microsoft\PowerAutomate). it was pointing in shared folder rather than a local one.

 

{
"_recentWorkspaces": [],
"_workspaceDirectory": "\\aaa\\bb\\cc"
}

 

Once having changed that, it worked fine.

 

In your case, since you mentioned (I am logged in to my laptop with a Microsoft account that is different from the Microsoft account obtained from the free Tenant. Is this a problem? ), I would also try using the right credentials - the ones having access to the tenant/PAD license.

 

HTH

Anonymous
Not applicable

Thanks for your response

 

The weird thing is I can't find such a folder on my pc. The only folder I can find that looks like it is:

- C:\Users\my_username\AppData\Local\Microsoft\Power Automate Desktop (preview).

This folder contains a Cache folder, but that is empty, so I cannot configure anything...

 
kitUser
Frequent Visitor

I had this issue as well. I was able to launch the PAD after uninstalling the app, then first installing only the UI Flows, then modifying the install to include the PAD. It's a strange work around but it did resolve my issue twice now. Hope this helps

natra
New Member

I am having the same issue here. Installed the chrome extensions and PAD. Also tried the few suggestions here but to no avail. Am using windows 10 64-bit operating system. No error message appear in event viewer. Hope someone can help me.

ugi
New Member

It's the same in my case and I can't launch PDA

_________________________________________

The weird thing is I can't find such a folder on my pc. The only folder I can find that looks like it is:

- C:\Users\my_username\AppData\Local\Microsoft\Power Automate Desktop (preview).

This folder contains a Cache folder, but that is empty, so I cannot configure anything...

_____________________________________________
Isn't there any solution for it?
 
Preetpatel51
Regular Visitor

Hello, I'm having the same problem.

 

Below folder has Cache folder in it but it's empty.

- C:\Users\my_username\AppData\Local\Microsoft\Power Automate Desktop (preview).

 

and when I launch, it doesn't open as app but it shows running in task manager.

 

Please advise.

testasdfasfsafa
Kudo Collector
Kudo Collector

1. Are you trying to run the free trial?  It won't work, you need a full license assigned to you.

2. Are you running Windows Home Edition? It only works on Windows Pro or Windows Server.

Anonymous
Not applicable

Thank you for your reply, 

 

I have a Per user plan with attended RPA trial plan. When another person downloads PAD they get the possibility to log in using a Microsoft account. When they use my account they can log in and use PAD perfectly fine. When they create a flow using PAD, it also shows up in the Power Automate web interface. Therefore I don't think this is subscription related. 

If I try to start PAD I don't even get such a screen. Also, I am using Windows 10 Pro on my machine.

 

Is there anything else I can check?

Thanks in advance.

rschneider12345
Frequent Visitor

I am having a Power Automate Desktop launch issue.  I have updated .NET to 4.8 and reinstalled Power Automate Desktop / UiFlows several times, using all the techniques referenced above.

 

UiFlow Version:

2.1.43.20312

 

OS Version:

1803 (OS Build 17134. 1845)

 

.NET 4.8 version 

 

Event Viewer Error:

Message = Element not found. (Exception from HRESULT: 0x80070490)
Error = System.Exception
Full text = System.Exception: Element not found. (Exception from HRESULT: 0x80070490)
at Windows.UI.ViewManagement.UISettings.add_TextScaleFactorChanged(TypedEventHandler`2 handler)
at System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeMarshal.NativeOrStaticEventRegistrationImpl.AddEventHandler[T](Func`2 addMethod, Action`1 removeMethod, T handler)
at System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeMarshal.AddEventHandler[T](Func`2 addMethod, Action`1 removeMethod, T handler)
at WinAutomation.UI.Common.FontSizeManager.Register(ResourceDictionary dictionary) in D:\a\1\s\src\WinAutomation.Desktop\WinAutomation.UI.Common\FontSizeManager.cs:line 35
at WinAutomation.Console.Host.App.<>c__DisplayClass5_0.<OnStartup>g__OnStartupInternal|0() in D:\a\1\s\src\WinAutomation.Desktop\WinAutomation.Console\WinAutomation.Console.Host\App.xaml.cs:line 94
at WinAutomation.Logging.LoggerTraceOperationExtensions.TraceOperation[T](ILogger`1 logger, String methodName, Action logEventAction, Action func, Func`1 getSuccessMessage, Func`2 getFailureMessage, LogData[] data) in D:\a\1\s\src\WinAutomation.Desktop\WinAutomation.Logging\LoggerTraceOperationExtensions.cs:line 80
at WinAutomation.Console.Host.App.OnStartup(StartupEventArgs e) in D:\a\1\s\src\WinAutomation.Desktop\WinAutomation.Console\WinAutomation.Console.Host\App.xaml.cs:line 61
at System.Windows.Application.<.ctor>b__1_0(Object unused)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Anonymous
Not applicable

I managed to fix this issue by installing the Power Automate Desktop standalone installation that is available through flow.microsoft.com. Earlier this installation was combined with UI Flows.

I think Microsoft updated the installing experience, and that fixed my issues.

 

imaa_axi_0-1608718962055.png

 

ChangLiu
New Member

I thought I had encountered the same problem, and each time I had to uninstall then install the app to launch. But after I asked our IT and found out that the app icon is minimized to the system tray (right side of the task bar where the speaker, network, clock icons are). All I needed to do is double clicking on icon in the system tray to launch it!😂

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