XIV Launcher Crash on Bootup after recent patch

[DionysusMelikios]

Update disclaimer

• Yes, I have checked and my issue is not related to the game updating and plugins not working correctly.

What did you do?

Recent XIV
launcher updated, restarted PC after update, disabled Dalamund on XIV launcher, and ran the game, on boot up it crashed with no errors.

Platform

Windows

Wine/Proton runner version

No response

Relevant log output

System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (One or more errors occurred. ('<' is an invalid start of a value. Path: $ | LineNumber: 0 | BytePositionInLine: 0.))
 ---> System.AggregateException: One or more errors occurred. ('<' is an invalid start of a value. Path: $ | LineNumber: 0 | BytePositionInLine: 0.)
 ---> System.Text.Json.JsonException: '<' is an invalid start of a value. Path: $ | LineNumber: 0 | BytePositionInLine: 0.
 ---> System.Text.Json.JsonReaderException: '<' is an invalid start of a value. LineNumber: 0 | BytePositionInLine: 0.
   at System.Text.Json.ThrowHelper.ThrowJsonReaderException(Utf8JsonReader& json, ExceptionResource resource, Byte nextByte, ReadOnlySpan`1 bytes)
   at System.Text.Json.Utf8JsonReader.ConsumeValue(Byte marker)
   at System.Text.Json.Utf8JsonReader.ReadFirstToken(Byte first)
   at System.Text.Json.Utf8JsonReader.ReadSingleSegment()
   at System.Text.Json.Utf8JsonReader.Read()
   at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, T& value, JsonSerializerOptions options, ReadStack& state)
   --- End of inner exception stack trace ---
   at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack& state, JsonReaderException ex)
   at System.Text.Json.Serialization.JsonConverter`1.ReadCore(Utf8JsonReader& reader, T& value, JsonSerializerOptions options, ReadStack& state)
   at System.Text.Json.Serialization.Metadata.JsonTypeInfo`1.Deserialize(Utf8JsonReader& reader, ReadStack& state)
   at System.Text.Json.JsonSerializer.ReadFromSpan[TValue](ReadOnlySpan`1 utf8Json, JsonTypeInfo`1 jsonTypeInfo, Nullable`1 actualByteCount)
   at System.Text.Json.JsonSerializer.ReadFromSpan[TValue](ReadOnlySpan`1 json, JsonTypeInfo`1 jsonTypeInfo)
   at System.Text.Json.JsonSerializer.Deserialize[TValue](String json, JsonSerializerOptions options)
   at XIVLauncher.Common.Game.IntegrityCheck.DownloadIntegrityCheckForVersion(String gameVersion, CancellationToken cancellationToken)
   at XIVLauncher.Common.Game.IntegrityCheck.CompareIntegrityAsync(IProgress`1 progress, DirectoryInfo gamePath, Boolean onlyIndex, CancellationToken cancellationToken)
   at XIVLauncher.Windows.SettingsControl.<>c__DisplayClass21_0.<<RunIntegrityCheck_OnClick>b__1>d.MoveNext()
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at System.Threading.Tasks.Task`1.get_Result()
   at XIVLauncher.Windows.SettingsControl.<>c__DisplayClass21_0.<RunIntegrityCheck_OnClick>b__2(Task`1 task)
   at System.Threading.Tasks.ContinuationTaskFromResultTask`1.InnerInvoke()
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
   --- End of inner exception stack trace ---

Version: 7.0.20.0
Git Hash: 7.0.20-0-g11dcdcea
Context: Unhandled
OS: Microsoft Windows NT 10.0.19045.0
64bit? True
Addons Enabled? False
Auto Login Enabled? False
Language: English
LauncherLanguage: English
Game path: D:\SquareEnix\FINAL FANTASY XIV - A Realm Reborn