Error "Sdl.Desktop.Platform.CommandBars.IActionService could not be started" when starting Trados Studio

Article Number:000003136 | Last Updated:5/27/2022 12:12 PM

Scope/Environment

Trados Studio 2021
Trados Studio 2019
Trados Studio 2017

Symptoms/Context

When starting Trados Studio, the error following error message pops up:

Sdl.Desktop.Platform.CommandBars.IActionService could not be started

Resolution

Close the error message and follow these steps:

1. Go to (you can copy/paste this path in File Explorer in Windows OS):
- for Trados Studio 2017: C:\Users\%USERNAME%\AppData\Roaming\SDL\SDL Trados Studio\14
- for Trados Studio 2019: C:\Users\%USERNAME%\AppData\Roaming\SDL\SDL Trados Studio\15
- for Trados Studio 2021: C:\Users\%USERNAME%\AppData\Roaming\SDL\SDL Trados Studio \16

2. Rename the Plugins folder (for example into Plugins_old)
3. Run a Trados Studio repair (see Repairing your installation of SDL Trados Studio) from Control Panel\Programs\Programs and Features (optional)
4. Restart Trados Studio

If the issue persists, please also go to:
Trados Studio 2021: C:\Users\%USERNAME%\AppData\Local\SDL\SDL Trados Studio \ and rename 16 folder to 16_old

or go to
- for Trados Studio 2021 C:\ProgramData\SDL\SDL Trados Studio\16
- for Trados Studio 2019: C:\ProgramData\SDL\SDL Trados Studio\15
- for Trados Studio 2017: C:\ProgramData\SDL\SDL Trados Studio\14
and rename the Plugins folder (for example into Plugins_old)

Note: If you can't find the paths above, open Windows File Explorer, click on View and check "Hidden Items" checkbox.

Root Cause

Corrupt information in the Plugins folder or same plugin installed twice.

Reference

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