Trados Studio 2022 not opening - error message: "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"

After a series of power outages, I am no longer able to open Trados Studio 2022 (Version 17.2.10.19084). The following error message appears: "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index". I have tried uninstalling and reinstalling the program, but the same error message continues to appear and the program will not open.

Here are details of the error:

<SDLErrorDetails time="18/04/2024 18:29:04">
<ErrorMessage>Index non compreso nell'intervallo. Richiesto valore non negativo e minore della dimensione della raccolta. Nome parametro: index</ErrorMessage>
<Exception>
<Type>SimpleInjector.ActivationException, SimpleInjector, Version=5.0.0.0, Culture=neutral, PublicKeyToken=984cb50dea722e99</Type>
<HelpLink/>
<Source>SimpleInjector</Source>
<HResult>-2146233088</HResult>
<StackTrace>
<![CDATA[ in SimpleInjector.InstanceProducer.GetInstance() in SimpleInjector.Internals.ContainerControlledCollection`1.GetInstance(InstanceProducer producer) in SimpleInjector.Internals.ContainerControlledCollection`1.CopyTo(TService[] array, Int32 arrayIndex) in System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) in System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) in Sdl.Platform.UI.Wizard.Framework.WizardBuilder.BuildWizardPages[TSharedData](TSharedData sharedData, IWizardWindowViewModel wizardWindowVm) in Sdl.Platform.UI.Wizard.Framework.WizardBuilder.Build[TSharedData](TSharedData sharedData) in Sdl.Platform.UI.Wizard.Framework.WizardBuilder.Build[TSharedData,TBackendService](TSharedData sharedData) in Sdl.TranslationStudio.Common.SetupWizard.SetupWizardLauncher.Execute() in Sdl.Desktop.Platform.Implementation.Studio.ExecuteStartupExtensions(ISplashScreen splashScreen, IEnumerable`1 startUpActions) in Sdl.Desktop.Platform.Implementation.Studio.Run(ISplashScreen splashScreen, IPluginLoaderService pluginLoaderService, ICommandLineParsingService commandLineParsingService, IUserSettingsService userSettingsService, IEnumerable`1 startUpActions, ILicensingService licensingService) in Sdl.TranslationStudio.Application.Launcher.RunApplication() ]]>
</StackTrace>
<InnerException>
<Type>System.ArgumentOutOfRangeException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
<ParamName>index</ParamName>
<HelpLink/>
<Source>mscorlib</Source>
<HResult>-2146233086</HResult>
<StackTrace>
<![CDATA[ in System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource) in System.Collections.Generic.List`1.get_Item(Int32 index) in Sdl.TranslationStudio.Common.SetupWizard.UserProfileWizardPageViewModel..ctor(IUserSettingsService userSettingsService, IMessageService messageService, IOpenFileDialog openFileDialog, IUserProfileFactory userProfileFactory) in lambda_method(Closure ) in SimpleInjector.InstanceProducer.BuildAndReplaceInstanceCreatorAndCreateFirstInstance() in SimpleInjector.InstanceProducer.GetInstance() ]]>
</StackTrace>
</InnerException>
</Exception>
<Environment>
<ProductName>Trados Studio</ProductName>
<ProductVersion>Studio17</ProductVersion>
<EntryAssemblyFileVersion>17.2.10.19084</EntryAssemblyFileVersion>
<OperatingSystem>Microsoft Windows 10 Pro</OperatingSystem>
<ServicePack>NULL</ServicePack>
<OperatingSystemLanguage>1040</OperatingSystemLanguage>
<CodePage>1252</CodePage>
<LoggedOnUser>LOUISE\louis</LoggedOnUser>
<DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
<ComputerName>LOUISE</ComputerName>
<ConnectedToNetwork>True</ConnectedToNetwork>
<PhysicalMemory>8265296 MB</PhysicalMemory>
</Environment>
</SDLErrorDetails>
Thank you for any help in resolving this issue.
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  • Hello,

    I'm sorry to hear that you're experiencing issues with Trados Studio 2022. The error message you're seeing is usually related to a problem with the software's configuration files. Here's how you can try to resolve this issue:

    Step 1: Close Trados Studio if it's open.

    Step 2: Navigate to the following folder on your computer: C:\Users\[Your Username]\AppData\Roaming\SDL\SDL Trados Studio\17.0.0.0. Replace [Your Username] with your actual username.

    Step 3: In this folder, you'll find a file named 'UserSettings.xml'. Rename this file to something like 'UserSettings_old.xml'. This will allow Trados Studio to create a new configuration file the next time it starts.

    Step 4: Try to open Trados Studio again. If the problem persists, you might need to rename other .xml files in the same folder.

    Please note that renaming these files will reset your Trados Studio settings to their default values. If you have any custom settings, you might need to reconfigure them after this process.

    If the issue still persists after trying these steps, it might be a more complex problem that requires further investigation. In such a case, I would recommend reaching out to the RWS Support team for further assistance.

    I hope this helps! Let me know if you have any other questions.

    Best regards,

    TradosAI

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  • We will be pleased to help you with this problem so have logged a support case on your behalf. We do prioritise customers who have a support contract so please keep in mind it could take up to 48 hours, especially over a weekend, but rest assured we will contact you as soon as we can. You will be contacted at the email address used for this Community. Support Case Id : 00849321 .

    Lydia Simplicio | RWS Group

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