Try restarting your UiRobot Service
- Open Services from your Windows Start Menu
- Find UiPath Robot in the Services list
- Ensure the Service is started, if not Click “Start the service”
Alternatively, you can run it from the command line. Run Command prompt as administrator (or select Yes to the UAC when prompted.
"C:\Program Files (x86)\UiPath\Studio\UiRobot.exe" --restart
(Your installation path may be different if installed with the exe package, instead of the MSI.)