Click 'LABEL': Cannot bring the target application in foreground because the Windows session is locked

[marian.platonov]

• Make sure the robot is installed in Service Mode.

Note: If you cannot find the UiPath Robot service in Start → services.msc, that means you installed the robot in User Mode.

To install the robot in Service Mode via the GUI installer UiPathStudio.msi, you will need to select Custom → Install for all users on this computer → Unattended Robot

Reference: Robot - Installing the Robot

To install via command lines, you will need to adapt the example commands which mentions Robot as a Windows service.

The examples can be found here Studio - Command Line Parameters

• Add machine credentials for the robot account in the Unattended robot settings.

Run the below command in a powershell.exe console in the Robot machine and then restart the UiPath Robot service.

[Environment]::SetEnvironmentVariable("UIPATH_HEADLESS_WITH_USER", "True", "Machine")

Reference: Robot - Background Process Automation

• Make sure that your unattended robot is logged out not disconnected when you are running the job. In the Event Viewer → System → You may find event details which are telling you before the error occurs in your UI automation that your session was disconnected for various reasons.
• Try to play in the Orchestrator → Robot settings LoginToConsole set to Yes/No.

If you set the LoginToConsole set to Yes, you are using a Console session, if you set to No, you are using an RDP session.

• If you have UI interactions in your process, it shouldn’t be set as Background

Example:

If you have Ui interactions in your project, open your project in Studio → Project Settings → set the Starts in Background option to No and republish the process

Reference: Studio - Background Process

• If you have UI interactions which needs to run in background, use Window Messages, Simulate, or Chromium input methods for your activities.