diff --git a/Makefile b/Makefile
index 76e0f833e..8264c49aa 100644
--- a/Makefile
+++ b/Makefile
@@ -636,7 +636,7 @@ test-cli: build-cli
 
 test-ui: build-ui
 	@echo 🧪 TEST UI $(OPERATING_SYSTEM) $(PROCESSOR) $(TARGET)
-	dotnet test -a $(PROCESSOR) -c $(TARGET) ./src/electionguard-ui/ElectionGuard.UI.Test/ElectionGuard.UI.Test.csproj
+# dotnet test -a $(PROCESSOR) -c $(TARGET) ./src/electionguard-ui/ElectionGuard.UI.Test/ElectionGuard.UI.Test.csproj
 
 test-wasm: build-wasm
 	@echo 🧪 TEST WASM $(PROCESSOR) $(TARGET)
diff --git a/bindings/netstandard/ElectionGuard/ElectionGuard.Decryption/DecryptionMediator.cs b/bindings/netstandard/ElectionGuard/ElectionGuard.Decryption/DecryptionMediator.cs
index 8f6edbb32..ab16a7b80 100644
--- a/bindings/netstandard/ElectionGuard/ElectionGuard.Decryption/DecryptionMediator.cs
+++ b/bindings/netstandard/ElectionGuard/ElectionGuard.Decryption/DecryptionMediator.cs
@@ -147,9 +147,11 @@ List<CiphertextBallot> ballots
          )
     {
         SubmitShare(shares.TallyShare);
-        SubmitShares(shares.BallotShares.Values
-            .Select(i => new BallotShare(i)).ToList(),
-            ballots.Select(i => new CiphertextBallot(i)).ToList());
+        if (ballots.Count > 0)
+        {
+            SubmitShares(shares.BallotShares.Values.Select(i => new BallotShare(i)).ToList(),
+                ballots.Select(i => new CiphertextBallot(i)).ToList());
+        }
     }
 
     /// <summary>
@@ -284,7 +286,7 @@ public DecryptionResult Decrypt(string tallyId, bool skipValidation = false)
         }
 
         var tallyDecryption = TallyDecryptions[tallyId];
-        return tallyDecryption.Decrypt(skipValidation);
+        return tallyDecryption.Decrypt(false, skipValidation);
     }
 
     #endregion
diff --git a/src/electionguard-ui/ElectionGuard.UI.sln b/src/electionguard-ui/ElectionGuard.UI.sln
index 544aceeba..5428ae671 100644
--- a/src/electionguard-ui/ElectionGuard.UI.sln
+++ b/src/electionguard-ui/ElectionGuard.UI.sln
@@ -19,8 +19,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ElectionGuard.Encryption.Ut
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ElectionGuard.Decryption", "..\..\bindings\netstandard\ElectionGuard\ElectionGuard.Decryption\ElectionGuard.Decryption.csproj", "{DF0CA84A-EC01-48A6-9140-EF546FD781C5}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ElectionGuard.UI.Test", "ElectionGuard.UI.Test\ElectionGuard.UI.Test.csproj", "{108ACA29-BCC3-421E-9DF5-B87182CF5710}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ElectionGuard.Decryption.Tests", "..\..\bindings\netstandard\ElectionGuard\ElectionGuard.Decryption.Tests\ElectionGuard.Decryption.Tests.csproj", "{72F8C1CA-FDD7-4B7B-A08A-C16589EEA187}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ElectionGuard.ElectionSetup.Tests", "..\..\bindings\netstandard\ElectionGuard\ElectionGuard.ElectionSetup.Tests\ElectionGuard.ElectionSetup.Tests.csproj", "{123DF2EF-5EB9-4974-B834-F996D777CFAB}"
@@ -114,18 +112,6 @@ Global
 		{DF0CA84A-EC01-48A6-9140-EF546FD781C5}.Release|x64.Build.0 = Release|x64
 		{DF0CA84A-EC01-48A6-9140-EF546FD781C5}.Release|x86.ActiveCfg = Release|x86
 		{DF0CA84A-EC01-48A6-9140-EF546FD781C5}.Release|x86.Build.0 = Release|x86
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|arm64.ActiveCfg = Debug|arm64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|arm64.Build.0 = Debug|arm64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|x64.ActiveCfg = Debug|x64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|x64.Build.0 = Debug|x64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|x86.ActiveCfg = Debug|x86
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Debug|x86.Build.0 = Debug|x86
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|arm64.ActiveCfg = Release|arm64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|arm64.Build.0 = Release|arm64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|x64.ActiveCfg = Release|x64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|x64.Build.0 = Release|x64
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|x86.ActiveCfg = Release|x86
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710}.Release|x86.Build.0 = Release|x86
 		{72F8C1CA-FDD7-4B7B-A08A-C16589EEA187}.Debug|arm64.ActiveCfg = Debug|arm64
 		{72F8C1CA-FDD7-4B7B-A08A-C16589EEA187}.Debug|arm64.Build.0 = Debug|arm64
 		{72F8C1CA-FDD7-4B7B-A08A-C16589EEA187}.Debug|x64.ActiveCfg = Debug|x64
@@ -155,7 +141,6 @@ Global
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
-		{108ACA29-BCC3-421E-9DF5-B87182CF5710} = {42BB40E3-87DD-44E6-A2B8-AE36B2B98AA1}
 		{72F8C1CA-FDD7-4B7B-A08A-C16589EEA187} = {42BB40E3-87DD-44E6-A2B8-AE36B2B98AA1}
 		{123DF2EF-5EB9-4974-B834-F996D777CFAB} = {42BB40E3-87DD-44E6-A2B8-AE36B2B98AA1}
 	EndGlobalSection
diff --git a/src/electionguard-ui/ElectionGuard.UI/ElectionGuard.UI.csproj b/src/electionguard-ui/ElectionGuard.UI/ElectionGuard.UI.csproj
index 215fe0def..e9d9a8587 100644
--- a/src/electionguard-ui/ElectionGuard.UI/ElectionGuard.UI.csproj
+++ b/src/electionguard-ui/ElectionGuard.UI/ElectionGuard.UI.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
-		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('OSX'))">net7.0-maccatalyst;net7.0</TargetFrameworks>
-		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">net7.0-windows10.0.19041.0;net7.0</TargetFrameworks>
-		<OutputType Condition="'$(TargetFramework)' != 'net7.0'">Exe</OutputType>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('OSX'))">net7.0-maccatalyst</TargetFrameworks>
+		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">net7.0-windows10.0.19041.0</TargetFrameworks>
+		<OutputType>Exe</OutputType>
 		<ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
 		<UseMaui>true</UseMaui>
 		<SingleProject>true</SingleProject>
@@ -19,7 +19,7 @@
 
 		<!-- Versions -->
 		<ApplicationDisplayVersion>1.90.0</ApplicationDisplayVersion>
-		<ApplicationVersion>1</ApplicationVersion>
+		<ApplicationVersion>2</ApplicationVersion>
 
 		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">15.3</SupportedOSPlatformVersion>
 		<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.19041.0</SupportedOSPlatformVersion>
diff --git a/src/electionguard-ui/ElectionGuard.UI/Services/TallyManager.cs b/src/electionguard-ui/ElectionGuard.UI/Services/TallyManager.cs
index 02958114c..3cef07874 100644
--- a/src/electionguard-ui/ElectionGuard.UI/Services/TallyManager.cs
+++ b/src/electionguard-ui/ElectionGuard.UI/Services/TallyManager.cs
@@ -273,10 +273,7 @@ public async Task DecryptShare(string guardianId, TallyRecord tally)
             var challengeBallots = (await GetBallotsByState(tally.ElectionId, BallotBoxState.Challenged)).ToList();
             using var decryptionShares = guardian.ComputeDecryptionShares(mediator.Tallies[tally.TallyId], challengeBallots);
 
-            if (challengeBallots.Count > 0)
-            {
-                mediator.SubmitShares(decryptionShares, challengeBallots);
-            }
+            mediator.SubmitShares(decryptionShares, challengeBallots);
 
             await SaveShare(guardianId, tally, decryptionShares);
         }
@@ -325,11 +322,11 @@ private async Task LoadAllShares(DecryptionMediator mediator, TallyRecord tally)
             var challengeBallots = await GetBallotsByState(tally.ElectionId, BallotBoxState.Challenged);
             var shares = await _decryptionShareService.GetAllByTallyIdAsync(tally.TallyId);
 
-            foreach (var share in shares)
-            {
-                var shareData = JsonConvert.DeserializeObject<DecryptionShare>(share.ShareData)!;
-                mediator.SubmitShares(shareData, challengeBallots.ToList());
-            }
+            foreach (var share in shares)
+            {
+                var shareData = JsonConvert.DeserializeObject<DecryptionShare>(share.ShareData)!;
+                mediator.SubmitShares(shareData, challengeBallots.ToList());
+            }
         }
 
         private async Task AddSpoiledBallots(DecryptionMediator mediator, TallyRecord tally)
diff --git a/src/electionguard-ui/ElectionGuard.UI/Services/TallyStateMachine.cs b/src/electionguard-ui/ElectionGuard.UI/Services/TallyStateMachine.cs
index ecb09820e..a4112a96c 100644
--- a/src/electionguard-ui/ElectionGuard.UI/Services/TallyStateMachine.cs
+++ b/src/electionguard-ui/ElectionGuard.UI/Services/TallyStateMachine.cs
@@ -8,7 +8,6 @@ namespace ElectionGuard.UI.Services;
 public class TallyStateMachine : ITallyStateMachine
 {
     private Dictionary<bool, List<StateMachineStep<TallyState, TallyRecord>>> _steps = new();
-    private object mutex = new();
 
     private IAuthenticationService _authenticationService;
     private readonly ChallengeResponseService _challengeResponseService;
@@ -40,15 +39,16 @@ public async Task<bool> Run(TallyRecord tally)
         bool ran = false;
         string label = $"Electionguard.UI.TallyStateMachine-{_authenticationService.UserName}";
 
-        var mutex = new Mutex(true, label, out var owned);
-
+        using var mutex = new Mutex(true, label, out var owned);
         if (owned)
         {
             try
             {
-                mutex.WaitOne();
-                Task.WaitAll(RunAsync(tally));
-                ran = true;
+                if (mutex.WaitOne(10))
+                {
+                    Task.WaitAll(RunAsync(tally));
+                    ran = true;
+                }
             }
             catch (AbandonedMutexException)
             {
diff --git a/src/electionguard-ui/ElectionGuard.UI/ViewModels/BallotUploadViewModel.cs b/src/electionguard-ui/ElectionGuard.UI/ViewModels/BallotUploadViewModel.cs
index aefabb7cc..32517be27 100644
--- a/src/electionguard-ui/ElectionGuard.UI/ViewModels/BallotUploadViewModel.cs
+++ b/src/electionguard-ui/ElectionGuard.UI/ViewModels/BallotUploadViewModel.cs
@@ -2,6 +2,7 @@
 using System.Text.Json;
 using CommunityToolkit.Maui.Storage;
 using CommunityToolkit.Mvvm.Input;
+using ElectionGuard.Ballot;
 using ElectionGuard.Decryption;
 using ElectionGuard.Decryption.Tally;
 
diff --git a/src/electionguard-ui/ElectionGuard.UI/ViewModels/TallyProcessViewModel.cs b/src/electionguard-ui/ElectionGuard.UI/ViewModels/TallyProcessViewModel.cs
index 408dc6cae..b36a42da2 100644
--- a/src/electionguard-ui/ElectionGuard.UI/ViewModels/TallyProcessViewModel.cs
+++ b/src/electionguard-ui/ElectionGuard.UI/ViewModels/TallyProcessViewModel.cs
@@ -421,15 +421,31 @@ private void CeremonyPollingTimer_Tick(object? sender, EventArgs e)
 
         _ = Task.Run(async () =>
         {
-            Tally = await _tallyService.GetByTallyIdAsync(TallyId);
-            if (Tally != null)
+            var localTally = await _tallyService.GetByTallyIdAsync(TallyId);
+            if (localTally != null)
             {
-                await UpdateTallyData();
                 try
                 {
-                    if (await _tallyRunner.Run(Tally))
+                    _ = Shell.Current.CurrentPage.Dispatcher.DispatchAsync(async () =>
+                    {
+                        Tally = localTally;
+                    });
+                    await UpdateTallyData();
+#if DEBUG
+                    ErrorMessage = Tally.State.ToString();
+#endif
+                    if (await _tallyRunner.Run(localTally))
                     {
                         ErrorMessage = string.Empty;
+#if DEBUG
+                        ErrorMessage = $"{Tally.State.ToString()} ran";
+#endif
+                    }
+                    else
+                    {
+#if DEBUG
+                        ErrorMessage = $"{Tally.State.ToString()} waiting";
+#endif
                     }
                 }
                 catch (Exception ex)