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Error during flow initialization

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Posted on by CH99

Recently updated the Power Automate Desktop to the latest version - 2.60.154.25253 and now I'm not being able to Create or Edit Flows/Test Cases.

Message = Error constructing handler for request of type MediatR.IRequestHandler`2[Microsoft.Flow.RPA.Desktop.Designer.Application.ProgramExecution.Commands.BootstrapDebuggerCommand,MediatR.Unit]. Register your handlers with the container. See the samples in GitHub for examples.
The system cannot find the file specified.
File name: 'Microsoft.PowerPlatform.Quartz.PowerPlatformAdminClients, Version=0.2.100.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'

Correlation Id: 1641c697-0df0-48af-869b-48cce14820ef

Exception message: The type initializer for 'Microsoft.Flow.RPA.Desktop.Robin.Core.Connectors.Evaluator.Constants' threw an exception.
HResult: -2146233036

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Power Automate Desktop

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CH99 19 on at

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Hi guys, it seems that I was able to find a workaround to this issue, which requires a clean installation of Power Automate Desktop application:

- Uninstall PAD from Control Panel - Programs and Features / Settings - Installed Apps
- Remove the installation folder of PAD - Default location is C:\Program Files (x86)\Power Automate Desktop
- Reinstall the latest PAD version available

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CH99 19 on at

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This has been fixed with the new version released on Oct. 21 2025 - 2.61.132.25266
Power Automate for desktop 2510 - Release Notes | Microsoft Learn
Go ahead, and update your Power Automate Desktop apps to the latest version.

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