dotnet-core-uninstall throws Unhandled exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: An item with the same key has already been added. Key: 1.0.1 (x64)

Having the following list of sdks:

C:\WINDOWS\system32>dotnet --list-sdks
1.0.0-preview2-003131 [C:\Program Files\dotnet\sdk]
1.0.0-preview2-003156 [C:\Program Files\dotnet\sdk]
1.0.0 [C:\Program Files\dotnet\sdk]
1.0.1 [C:\Program Files\dotnet\sdk]
1.0.3 [C:\Program Files\dotnet\sdk]
2.0.2 [C:\Program Files\dotnet\sdk]
2.1.4 [C:\Program Files\dotnet\sdk]
2.1.104 [C:\Program Files\dotnet\sdk]
2.1.202 [C:\Program Files\dotnet\sdk]
2.1.401 [C:\Program Files\dotnet\sdk]
2.1.526 [C:\Program Files\dotnet\sdk]
2.2.105 [C:\Program Files\dotnet\sdk]
3.0.103 [C:\Program Files\dotnet\sdk]
3.1.120 [C:\Program Files\dotnet\sdk]
3.1.423 [C:\Program Files\dotnet\sdk]
3.1.426 [C:\Program Files\dotnet\sdk]
5.0.404 [C:\Program Files\dotnet\sdk]
5.0.408 [C:\Program Files\dotnet\sdk]
6.0.300 [C:\Program Files\dotnet\sdk]
6.0.304 [C:\Program Files\dotnet\sdk]
6.0.315 [C:\Program Files\dotnet\sdk]

After running dotnet-core-uninstall list the following exception is being thrown:

Unhandled exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
 ---> System.ArgumentException: An item with the same key has already been added. Key: 1.0.1 (x64)
   at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at Microsoft.DotNet.Tools.Uninstall.Shared.VSVersioning.VisualStudioSafeVersionsExtractor.GetReasonRequiredStrings(IEnumerable`1 allBundles) in /_/src/dotnet-core-uninstall/Shared/VSVersioning/VisualStudioSafeVersionsExtractor.cs:line 118
   at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.GetFilteredBundlesWithRequirements(IEnumerable`1 bundles, IEnumerable`1 supportedBundleTypes, ParseResult parseResult) in /_/src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 76
   at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.Execute(IEnumerable`1 bundles, IEnumerable`1 supportedBundleTypes) in /_/src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 40
   at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.Execute(IBundleCollector bundleCollector) in /_/src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 25
   at Microsoft.DotNet.Tools.Uninstall.Shared.Configs.CommandLineConfigs.<>c__DisplayClass40_0.<.cctor>b__4() in /_/src/dotnet-core-uninstall/Shared/Configs/CommandLineConfigs.cs:line 235
   at Microsoft.DotNet.Tools.Uninstall.Shared.Exceptions.ExceptionHandler.<>c__DisplayClass0_0.<HandleException>b__0() in /_/src/dotnet-core-uninstall/Shared/Exceptions/ExceptionHandler.cs:line 16
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Delegate.DynamicInvokeImpl(Object[] args)
   at System.Delegate.DynamicInvoke(Object[] args)
   at System.CommandLine.Invocation.ModelBindingCommandHandler.InvokeAsync(InvocationContext context)
   at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<<BuildInvocationChain>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseParseErrorReporting>b__21_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<<UseHelp>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass25_0.<<UseVersionOption>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass23_0.<<UseTypoCorrections>b__0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseSuggestDirective>b__22_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseParseDirective>b__20_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseDebugDirective>b__11_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<RegisterWithDotnetSuggest>b__10_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass14_0.<<UseExceptionHandler>b__0>d.MoveNext()

dotnet-core-uninstall --version 1.6.0

Same here...

C:\Program Files (x86)\dotnet-core-uninstall>dotnet-core-uninstall list

This tool cannot uninstall versions of the runtime or SDK that are

SDKs installed using Visual Studio 2019 Update 3 or later.
SDKs and runtimes installed via zip/scripts.
Runtimes installed with SDKs (these should be removed by removing that SDK). The versions that can be uninstalled with this tool are:

Unhandled exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: An item with the same key has already been added. Key: 1.0.0 (x64) at System.Collections.Generic.Dictionary2.TryInsert(TKey key, TValue value, InsertionBehavior behavior) at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable1 source, Func2 keySelector, Func2 elementSelector, IEqualityComparer1 comparer) at Microsoft.DotNet.Tools.Uninstall.Shared.VSVersioning.VisualStudioSafeVersionsExtractor.GetReasonRequiredStrings(IEnumerable1 allBundles) in //src/dotnet-core-uninstall/Shared/VSVersioning/VisualStudioSafeVersionsExtractor.cs:line 118 at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.GetFilteredBundlesWithRequirements(IEnumerable1 bundles, IEnumerable1 supportedBundleTypes, ParseResult parseResult) in //src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 76 at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.Execute(IEnumerable1 bundles, IEnumerable1 supportedBundleTypes) in //src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 40 at Microsoft.DotNet.Tools.Uninstall.Shared.Commands.ListCommandExec.Execute(IBundleCollector bundleCollector) in //src/dotnet-core-uninstall/Shared/Commands/ListCommandExec.cs:line 25 at Microsoft.DotNet.Tools.Uninstall.Shared.Configs.CommandLineConfigs.<>cDisplayClass40_0.<.cctor>b_4() in //src/dotnet-core-uninstall/Shared/Configs/CommandLineConfigs.cs:line 235 at Microsoft.DotNet.Tools.Uninstall.Shared.Exceptions.ExceptionHandler.<>cDisplayClass0_0.b0() in /_/src/dotnet-core-uninstall/Shared/Exceptions/ExceptionHandler.cs:line 16 --- End of inner exception stack trace --- at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor, Boolean wrapExceptions) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Delegate.DynamicInvokeImpl(Object[] args) at System.Delegate.DynamicInvoke(Object[] args) at System.CommandLine.Invocation.ModelBindingCommandHandler.InvokeAsync(InvocationContext context) at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<b0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b21_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<b0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>cDisplayClass25_0.<b0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>cDisplayClass23_0.<b0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b22_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b__20_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b11_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<b10_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass14_0.<b0>d.MoveNext()

C:\Program Files (x86)\dotnet-core-uninstall>dotnet-core-uninstall --version 1.6.0

dotnet / cli-lab

dotnet-core-uninstall throws Unhandled exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: An item with the same key has already been added. Key: 1.0.1 (x64) #264