"The index was out of range. It cannot be negative and must be smaller than the collection. Parameter name: index" error message appears when opening Trados Studio
000021494|4/23/2024 12:59 PM
Scope/Environment
Trados Studio
Symptoms/Context
When trying to open Trados Studio you receive the error message:
The index was out of range. It cannot be negative and must be smaller than the collection. Parameter name: index
Resolution
Reset Trados Studio basic settings
Close all RWS applications.
Go to the following folder:
Trados Studio 2022:
Windows 7/8/10: C:\Users\%USERNAME%\AppData\Roaming\Trados\Trados Studio\ rename the Studio17 folder
Trados Studio 2021:
Windows 7/8/10: C:\Users\%USERNAME%\AppData\Roaming\SDL\SDL Trados Studio\ rename the Studio16 folder
Trados Studio 2019:
Windows 7/8/10: C:\Users\%USERNAME%\AppData\Roaming\SDL\SDL Trados Studio\rename the 15.0.0.0 folder