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Trados Studio: plugin not showing or not loading

Most loading problems come from three causes: the plugin doesn't match the Trados version, files from an older Lara plugin are still on the computer, or Trados 2021 is installed next to a newer version. Find your symptom below and follow the steps in order.

Plugin folders by Trados version

Some fixes ask you to check these folders. Paste the path into the File Explorer address bar.

Trados version

Plugin folders

Trados Studio 2026

%AppData%\Trados\Trados Studio\19\Plugins\Packages and \Unpacked

Trados Studio 2024

%AppData%\Trados\Trados Studio\18\Plugins\Packages and \Unpacked

Trados Studio 2022

%AppData%\Trados\Trados Studio\17\Plugins\Packages and \Unpacked

Trados Studio 2021

%AppData%\SDL\SDL Trados Studio\16\Plugins\Packages and \Unpacked

 

The installer doesn't let me select my Trados version

The version checkbox is greyed out, or only one version is listed.

1. Check you downloaded the right plugin. The 2024 plugin can only be installed on Trados 2024, the 2022 plugin on Trados 2022, and so on. Check your version in Help → About.


2. Only Trados 2021 appears, although newer versions are installed. Trados 2021 uses an older plugin installer that takes over for all installed versions. To fix it:

  1. Open Control Panel → Programs → Programs and Features.
  2. Select your most recent Trados Studio (for example 2026) and click Uninstall/Change.
  3. Choose Repair and wait for it to finish.
  4. Run the Lara .sdlplugin again: all your Trados versions should now be selectable.

3. Remove leftovers from an older Lara plugin (see next section, step 2).

 

The plugin is installed but doesn't appear in Trados

Lara isn't in Add-Ins → Plug-ins, or Lara Translation Provider isn't in the Use list.

1. Restart Trados completely. Close it, open Task Manager and end any remaining Trados Studio process, then reopen it.

2. Clean install the plugin.

  1. Close Trados Studio.
  2. In Control Panel → Programs, uninstall Lara if it's listed.
  3. Open both plugin folders for your Trados version (table above) and delete any Lara files.
  4. Install the plugin again and reopen Trados.

3. Check the plugin is enabled in Add-Ins → Plug-ins.

4. Check Windows didn't block the file. Right-click the .sdlplugin file → Properties. If you see Unblock at the bottom of the General tab, select it, click OK and install again. Also check that your antivirus hasn't quarantined any Lara file.

5. Trados 2021 users: make sure Trados Studio 2021 is updated to SR2 with the latest cumulative update.

Lara is loaded but I can't sign in or translations fail

  1. Sign in again. Open the Lara plugin window, go to Account, sign out and sign in again in the browser window that opens.
  2. Check your plan. The plugin needs an active paid plan. If you belong to a Team, sign in with the account the Team invited.
  3. Update to 1.1.1. Older versions could return the source text instead of a translation when a fuzzy match was present. Check the version at the bottom left of the plugin window.

Still stuck? Contact support with the details listed in Lara plugins for CAT tools → Before you contact support.

 

 

This article is about:

  • The three most common reasons the Lara plugin doesn’t load in Trados Studio
  • Where to find the plugin folders for each Trados version
  • What to do if the installer doesn’t let you select your Trados version
  • How to fix the plugin when it’s installed but doesn’t appear in Trados
  • How to clean install the plugin and remove files from older versions
  • What to check if you can’t sign in or translations fail