Steps to reproduce:

1. Open Trados Studio (as user or administrator)
2. Receive the error message : 

The translation memory data file engine returned an error: file is encrypted or is not a database



 

 Rename or delete the TranslationMemoryRepository.xml

1. Close Trados Studio
2. Navigate to the following location on your computer : 

• For Studio 2024 : C:\Users\%Username%\AppData\Local\Trados\Trados Studio\Studio18
• For Studio 2022 : C:\Users\%Username%\AppData\Local\Trados\Trados Studio\Studio17
• For Studio 2021 : C:\Users\%Username%\AppData\Local\SDL\SDL Trados Studio\Studio16
• For Studio 2019 : C:\Users\%Username%\AppData\Local\SDL\SDL Trados Studio\15.0.0.0
• For Studio 2017 : C:\Users\%Username%\AppData\Local\SDL\SDL Trados Studio\14.0.0.0
• For Studio 2015 : C:\Users\%Username%\AppData\Local\SDL\SDL Trados Studio\12.0.0.0   

       3. Rename or delete the file TranslationMemoryRepository.xml.
       4. Restart Trados Studio
 
NOTE: If you do not find this folder, make sure that these files are not hidden. See KB article Showing hidden files, folders and extensions on Windows operating systems

If the error occurs only when trying to open a specific translation memory, it is most likely corrupted. You can try using the SDLTM Repair tool (https://appstore.rws.com/Plugin/41) or the TM Fusion for Trados app (https://appstore.rws.com/Plugin/241) to repair it.

Corrupted Translation Memory Repository or translation memory.