Errors: "Service 'Sdl.TranslationStudio.AlignmentEditor.IAlignmentEditorService' could not be started" and "Object reference not set to an instance of an object"

9 days ago I downloaded Multilingual Excel FileType plugin, I restarted Trados Studio 2022 but these two errors came up:

1) 

<SDLErrorDetails time="03/04/2024 16:34:52">
<ErrorMessage>Impossibile avviare il servizio 'Sdl.TranslationStudio.AlignmentEditor.IAlignmentEditorService'.</ErrorMessage>
<Exception>
<Type>Sdl.Desktop.Platform.Services.ServiceStartException, Sdl.Desktop.Platform, Version=17.0.0.0, Culture=neutral, PublicKeyToken=c28cdb26c445c888</Type>
<HelpLink/>
<Source>Sdl.Desktop.Platform</Source>
<HResult>-2146233088</HResult>
<StackTrace>
<![CDATA[ in Sdl.Desktop.Platform.Implementation.Services.ServiceContext.GetLocalService[T]() in Sdl.Desktop.Platform.Implementation.Services.ServiceContext.GetService[T]() in Sdl.TranslationStudio.AlignmentEditor.Conditions.CurrentAlignmentCondition.OnServiceContextChanged() in Sdl.Desktop.Platform.Extensions.AbstractServiceContextAwareCondition.set_ServiceContext(IServiceContext value) in Sdl.Desktop.Platform.Extensions.AbstractConditionInitializer.InitializeCondition(ICondition condition) in Sdl.Desktop.Platform.Extensions.ConditionHelper.GetCondition(IExtension extension, ConditionResult conditionResult, IConditionInitializer initializer) in Sdl.Desktop.Platform.Implementation.ViewReference..ctor(IStudioWindow window, ViewDescriptor descriptor) in Sdl.Desktop.Platform.Implementation.StudioWindow.Init(IEventAggregator eventAggregator) in Sdl.Desktop.Platform.Implementation.Studio.CreateWindowInternal(Boolean setActive, IEventAggregator eventAggregator) in Sdl.Desktop.Platform.Implementation.Studio.Run(ISplashScreen splashScreen, IPluginLoaderService pluginLoaderService, ICommandLineParsingService commandLineParsingService, IUserSettingsService userSettingsService, IEnumerable`1 startUpActions) in Sdl.TranslationStudio.Application.Launcher.RunApplication() ]]>
</StackTrace>
<InnerException>
<Type>System.ArgumentException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
<ParamName/>
<HelpLink/>
<Source>mscorlib</Source>
<HResult>-2147024809</HResult>
<StackTrace>
<![CDATA[ in System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) in System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) in Sdl.FileTypeSupport.Framework.Integration.PocoFilterManager.LoadFileTypeCache() in Sdl.FileTypeSupport.Framework.Integration.PocoFilterManager.CreateFileTypeDefinition(String fileTypeDefinitionId, FileTypeProfile profileOverride) in Sdl.ProjectApi.Implementation.FileTypeConfiguration.get_FilterManager() in Sdl.TranslationStudio.AlignmentEditor.AlignmentEditorService.OnStart() in Sdl.Desktop.Platform.Services.AbstractService.Start(IServiceContext context) in Sdl.Desktop.Platform.Implementation.Services.ServiceContext.GetLocalService[T]() ]]>
</StackTrace>
</InnerException>
</Exception>
<Environment>
<ProductName>Trados Studio</ProductName>
<ProductVersion>Studio17</ProductVersion>
<EntryAssemblyFileVersion>17.0.3.11695</EntryAssemblyFileVersion>
<OperatingSystem>Microsoft Windows 11 Home</OperatingSystem>
<ServicePack>NULL</ServicePack>
<OperatingSystemLanguage>1040</OperatingSystemLanguage>
<CodePage>1252</CodePage>
<LoggedOnUser>LAPTOP-F0CA49FC\stefa</LoggedOnUser>
<DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
<ComputerName>LAPTOP-F0CA49FC</ComputerName>
<ConnectedToNetwork>True</ConnectedToNetwork>
<PhysicalMemory>8159224 MB</PhysicalMemory>
</Environment>
</SDLErrorDetails>
2) 
<SDLErrorDetails time="03/04/2024 16:36:18">
<ErrorMessage>Riferimento a un oggetto non impostato su un'istanza di oggetto.</ErrorMessage>
<Exception>
<Type>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
<HelpLink/>
<Source>Sdl.Desktop.Platform</Source>
<HResult>-2147467261</HResult>
<StackTrace>
<![CDATA[ in Sdl.Desktop.Platform.Implementation.StudioWindow.OnClosing() in Sdl.Desktop.Platform.Implementation.StudioWindow._form_Closing(Object sender, CancelEventArgs e) in System.Windows.Forms.Form.OnClosing(CancelEventArgs e) in System.Windows.Forms.Form.WmClose(Message& m) in System.Windows.Forms.Form.WndProc(Message& m) in Sdl.Desktop.Platform.WinForms.StudioWindowForm.WndProc(Message& message) in System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) in System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ]]>
</StackTrace>
</Exception>
<Environment>
<ProductName>Trados Studio</ProductName>
<ProductVersion>Studio17</ProductVersion>
<EntryAssemblyFileVersion>17.0.3.11695</EntryAssemblyFileVersion>
<OperatingSystem>Microsoft Windows 11 Home</OperatingSystem>
<ServicePack>NULL</ServicePack>
<OperatingSystemLanguage>1040</OperatingSystemLanguage>
<CodePage>1252</CodePage>
<LoggedOnUser>LAPTOP-F0CA49FC\stefa</LoggedOnUser>
<DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
<ComputerName>LAPTOP-F0CA49FC</ComputerName>
<ConnectedToNetwork>True</ConnectedToNetwork>
<PhysicalMemory>8159224 MB</PhysicalMemory>
</Environment>
</SDLErrorDetails>
Since then, I have been unable to open and use Trados. What procedure should I follow?
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