[Bug]: While Starting

[zerock069]

What version of the Xbox Achievement Unlocker were you using (you can see this in the info page)?

2.8.1

Tool Section

Home

What is the bug?

Information

Tool Version: 2.8.1.0
System Version: 10.0.26100.0
Tool Uptime: 00:01:54.7757020

Exception

System.FormatException: The format of value '' is invalid.
   at System.Net.Http.Headers.HttpHeaderParser.ParseValue(String value, Object storeValue, Int32& index)
   at System.Net.Http.Headers.HttpHeaders.ParseAndAddValue(HeaderDescriptor descriptor, HeaderStoreItemInfo info, String value)
   at System.Net.Http.Headers.HttpHeaders.Add(HeaderDescriptor descriptor, String value)
   at XboxRestAPI.SetDefaultHeaders()
   at XboxRestAPI.GetGamesListAsync(String xuid)
   at XAU.ViewModels.Pages.GamesViewModel.GetGamesList()
   at CommunityToolkit.Mvvm.Input.AsyncRelayCommand.AwaitAndThrowIfFailed(Task executionTask)
   at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_0(Object state)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

[TRFOne]

Your stacktrace shows that GetDefaultHeaders() is adding at least one HTTP header with an empty value (''), which .NET does not allow and therefore causes the FormatException.