diff --git a/SPTInstaller/Controllers/InstallController.cs b/SPTInstaller/Controllers/InstallController.cs
index 1dddde1..9669b42 100644
--- a/SPTInstaller/Controllers/InstallController.cs
+++ b/SPTInstaller/Controllers/InstallController.cs
@@ -1,4 +1,5 @@
-using SharpCompress;
+using Serilog;
+using SharpCompress;
 using SPTInstaller.Interfaces;
 using SPTInstaller.Models;
 using System;
@@ -22,6 +23,7 @@ namespace SPTInstaller.Controllers
 
         public async Task<IResult> RunPreChecks()
         {
+            Log.Information("-<>--<>- Running PreChecks -<>--<>-");
             var requiredResults = new List<IResult>();
 
             _preChecks.ForEach(x => x.IsPending = true);
@@ -30,6 +32,8 @@ namespace SPTInstaller.Controllers
             {
                 var result = await check.RunCheck();
 
+                Log.Information($"PreCheck: {check.Name} ({(check.IsRequired ? "Required" : "Optional")}) -> {(result.Succeeded ? "Passed" : "Failed")}");
+
                 if (check.IsRequired)
                 {
                     requiredResults.Add(result);
@@ -47,6 +51,8 @@ namespace SPTInstaller.Controllers
 
         public async Task<IResult> RunTasks()
         {
+            Log.Information("-<>--<>- Running Installer Tasks -<>--<>-");
+
             foreach (var task in _tasks)
             {
                 TaskChanged?.Invoke(null, task);
diff --git a/SPTInstaller/CustomControls/ProgressableTaskList.axaml.cs b/SPTInstaller/CustomControls/ProgressableTaskList.axaml.cs
index 4477cd4..fbcd063 100644
--- a/SPTInstaller/CustomControls/ProgressableTaskList.axaml.cs
+++ b/SPTInstaller/CustomControls/ProgressableTaskList.axaml.cs
@@ -77,7 +77,7 @@ namespace SPTInstaller.CustomControls
 
                 for(; TaskProgress < progress;)
                 {
-                    TaskProgress += 2;
+                    TaskProgress += 1;
                     await Task.Delay(1);
                 }
             });
diff --git a/SPTInstaller/CustomControls/TaskDetails.axaml b/SPTInstaller/CustomControls/TaskDetails.axaml
index b259905..b4f7186 100644
--- a/SPTInstaller/CustomControls/TaskDetails.axaml
+++ b/SPTInstaller/CustomControls/TaskDetails.axaml
@@ -28,11 +28,12 @@
 			<ProgressBar IsVisible="{Binding ShowProgress, RelativeSource={RelativeSource AncestorType=UserControl}}"
 						 Value="{Binding Progress, RelativeSource={RelativeSource AncestorType=UserControl}}"
 						 HorizontalAlignment="Stretch"
+						 IsIndeterminate="{Binding IndeterminateProgress, RelativeSource={RelativeSource AncestorType=UserControl}}"
 					 />
 
 			<Label Grid.Column="1"
 				   Content="{Binding Progress, RelativeSource={RelativeSource AncestorType=UserControl}, StringFormat='{}{0}%'}"
-				   IsVisible="{Binding ShowProgress, RelativeSource={RelativeSource AncestorType=UserControl}}"
+				   IsVisible="{Binding !IndeterminateProgress, RelativeSource={RelativeSource AncestorType=UserControl}}"
 			       />
 		</Grid>
 	</Grid>
diff --git a/SPTInstaller/CustomControls/TaskDetails.axaml.cs b/SPTInstaller/CustomControls/TaskDetails.axaml.cs
index 4075ef7..f1be930 100644
--- a/SPTInstaller/CustomControls/TaskDetails.axaml.cs
+++ b/SPTInstaller/CustomControls/TaskDetails.axaml.cs
@@ -45,5 +45,14 @@ namespace SPTInstaller.CustomControls
 
         public static readonly StyledProperty<bool> ShowProgressProperty =
             AvaloniaProperty.Register<TaskDetails, bool>(nameof(ShowProgress));
+
+        public bool IndeterminateProgress
+        {
+            get => GetValue(IndeterminateProgressProperty);
+            set => SetValue(IndeterminateProgressProperty, value);
+        }
+
+        public static readonly StyledProperty<bool> IndeterminateProgressProperty =
+            AvaloniaProperty.Register<TaskDetails, bool>(nameof(IndeterminateProgress));
     }
 }
diff --git a/SPTInstaller/Helpers/FileHelper.cs b/SPTInstaller/Helpers/FileHelper.cs
index e01c81a..954332e 100644
--- a/SPTInstaller/Helpers/FileHelper.cs
+++ b/SPTInstaller/Helpers/FileHelper.cs
@@ -1,4 +1,5 @@
 using ReactiveUI;
+using Serilog;
 using SPTInstaller.Models;
 using System;
 using System.IO;
@@ -19,6 +20,7 @@ namespace SPTInstaller.Aki.Helper
             }
             catch (Exception ex) 
             {
+                Log.Error(ex, "Error while creating directories");
                 return Result.FromError(ex.Message);
             }
         }
@@ -42,6 +44,7 @@ namespace SPTInstaller.Aki.Helper
             }
             catch (Exception ex)
             {
+                Log.Error(ex, "Error while copying files");
                 return Result.FromError(ex.Message);
             }
         }
@@ -65,6 +68,7 @@ namespace SPTInstaller.Aki.Helper
             }
             catch (Exception ex)
             {
+                Log.Error(ex, "Error during directory copy");
                 return Result.FromError(ex.Message);
             }
         }
diff --git a/SPTInstaller/Installer Tasks/CopyClientTask.cs b/SPTInstaller/Installer Tasks/CopyClientTask.cs
index 2940237..400ce71 100644
--- a/SPTInstaller/Installer Tasks/CopyClientTask.cs	
+++ b/SPTInstaller/Installer Tasks/CopyClientTask.cs	
@@ -1,4 +1,5 @@
-using SPTInstaller.Aki.Helper;
+using Serilog;
+using SPTInstaller.Aki.Helper;
 using SPTInstaller.Interfaces;
 using SPTInstaller.Models;
 using System;
@@ -18,12 +19,12 @@ namespace SPTInstaller.Installer_Tasks
 
         public override async Task<IResult> TaskOperation()
         {
-            SetStatus("Copying Client Files", 0);
+            SetStatus("Copying Client Files", "", 0);
 
             var originalGameDirInfo = new DirectoryInfo(_data.OriginalGamePath);
             var targetInstallDirInfo = new DirectoryInfo(_data.TargetInstallPath);
 
-            return FileHelper.CopyDirectoryWithProgress(originalGameDirInfo, targetInstallDirInfo, (message, progress) => { SetStatus($"Copying Client Files", message, progress); });
+            return FileHelper.CopyDirectoryWithProgress(originalGameDirInfo, targetInstallDirInfo, (message, progress) => { SetStatus($"Copying Client Files", message, progress, null, true); });
         }
     }
 }
diff --git a/SPTInstaller/Installer Tasks/DownloadTask.cs b/SPTInstaller/Installer Tasks/DownloadTask.cs
index 6603e26..3bddbaa 100644
--- a/SPTInstaller/Installer Tasks/DownloadTask.cs	
+++ b/SPTInstaller/Installer Tasks/DownloadTask.cs	
@@ -21,7 +21,7 @@ namespace SPTInstaller.Installer_Tasks
 
         private async Task<IResult> BuildMirrorList()
         {
-            var progress = new Progress<double>((d) => { SetStatus("Downloading Mirror List", (int)Math.Floor(d));});
+            var progress = new Progress<double>((d) => { SetStatus("Downloading Mirror List", "", (int)Math.Floor(d));});
 
             var file = await DownloadCacheHelper.GetOrDownloadFileAsync("mirrors.json", _data.PatcherMirrorsLink, progress);
 
@@ -46,7 +46,7 @@ namespace SPTInstaller.Installer_Tasks
         {
             foreach (var mirror in _data.PatcherReleaseMirrors)
             {
-                SetStatus($"Downloading Patcher: {mirror.Link}");
+                SetStatus($"Downloading Patcher", mirror.Link);
 
                 // mega is a little weird since they use encryption, but thankfully there is a great library for their api :)
                 if (mirror.Link.StartsWith("https://mega"))
@@ -90,7 +90,7 @@ namespace SPTInstaller.Installer_Tasks
 
         public override async Task<IResult> TaskOperation()
         {
-            var progress = new Progress<double>((d) => { SetStatus("", (int)Math.Floor(d)); });
+            var progress = new Progress<double>((d) => { SetStatus("", "", (int)Math.Floor(d)); });
 
             if (_data.PatchNeeded)
             {
@@ -101,7 +101,7 @@ namespace SPTInstaller.Installer_Tasks
                     return buildResult;
                 }
 
-                SetStatus("", 0);
+                SetStatus("", "", 0);
 
                 var patcherDownloadRresult = await DownloadPatcherFromMirrors(progress);
 
@@ -111,7 +111,7 @@ namespace SPTInstaller.Installer_Tasks
                 }
             }
 
-            SetStatus("Downloading SPT-AKI", 0);
+            SetStatus("Downloading SPT-AKI", "", 0);
 
             _data.AkiZipInfo = await DownloadCacheHelper.GetOrDownloadFileAsync("sptaki.zip", _data.AkiReleaseDownloadLink, progress, _data.AkiReleaseHash);
 
diff --git a/SPTInstaller/Installer Tasks/ReleaseCheckTask.cs b/SPTInstaller/Installer Tasks/ReleaseCheckTask.cs
index 83ff7dd..9fc5f89 100644
--- a/SPTInstaller/Installer Tasks/ReleaseCheckTask.cs	
+++ b/SPTInstaller/Installer Tasks/ReleaseCheckTask.cs	
@@ -25,11 +25,11 @@ namespace SPTInstaller.Installer_Tasks
 
                 var repo = new RepositoryApi(Configuration.Default);
 
-                SetStatus("Checking SPT Releases");
+                SetStatus("Checking SPT Releases", "", null, ProgressStyle.Indeterminate);
 
                 var akiRepoReleases = await repo.RepoListReleasesAsync("SPT-AKI", "Stable-releases");
 
-                SetStatus("Checking for Patches");
+                SetStatus("Checking for Patches", "", null, ProgressStyle.Indeterminate);
 
                 var patchRepoReleases = await repo.RepoListReleasesAsync("SPT-AKI", "Downgrade-Patches");
 
@@ -75,6 +75,8 @@ namespace SPTInstaller.Installer_Tasks
                     status += " - Patch Available";
                 }
 
+                SetStatus("", status);
+
                 return Result.FromSuccess(status);
             }
             catch (Exception ex)
diff --git a/SPTInstaller/Installer Tasks/SetupClientTask.cs b/SPTInstaller/Installer Tasks/SetupClientTask.cs
index 7d55f97..41d284e 100644
--- a/SPTInstaller/Installer Tasks/SetupClientTask.cs	
+++ b/SPTInstaller/Installer Tasks/SetupClientTask.cs	
@@ -25,13 +25,13 @@ namespace SPTInstaller.Installer_Tasks
 
             var patcherEXE = new FileInfo(Path.Join(_data.TargetInstallPath, "patcher.exe"));
 
-            var progress = new Progress<double>((d) => { SetStatus("", (int)Math.Floor(d)); });
+            var progress = new Progress<double>((d) => { SetStatus("", "", (int)Math.Floor(d)); });
 
 
             if (_data.PatchNeeded)
             {
                 // extract patcher files
-                SetStatus("Extrating Patcher", 0);
+                SetStatus("Extrating Patcher", "", 0);
 
                 var extractPatcherResult = ZipHelper.Decompress(_data.PatcherZipInfo, patcherOutputDir, progress);
 
@@ -41,7 +41,7 @@ namespace SPTInstaller.Installer_Tasks
                 }
 
                 // copy patcher files to install directory
-                SetStatus("Copying Patcher", 0);
+                SetStatus("Copying Patcher", "", 0);
 
                 var patcherDirInfo = patcherOutputDir.GetDirectories("Patcher*", SearchOption.TopDirectoryOnly).First();
 
@@ -53,10 +53,7 @@ namespace SPTInstaller.Installer_Tasks
                 }
 
                 // run patcher
-                SetStatus("Running Patcher");
-
-                // TODO: indeterminate progress indicator
-                //StartDrawingIndeterminateProgress();
+                SetStatus("Running Patcher", "", null, ProgressStyle.Indeterminate);
 
                 var patchingResult = ProcessHelper.PatchClientFiles(patcherEXE, targetInstallDirInfo);
 
@@ -67,7 +64,7 @@ namespace SPTInstaller.Installer_Tasks
             }
 
             // extract release files
-            SetStatus("Extracting Release", 0);
+            SetStatus("Extracting Release", "", 0);
 
             var extractReleaseResult = ZipHelper.Decompress(_data.AkiZipInfo, targetInstallDirInfo, progress);
 
@@ -77,10 +74,7 @@ namespace SPTInstaller.Installer_Tasks
             }
 
             // cleanup temp files
-            SetStatus("Cleanup");
-
-            // TODO: indeterminate progress indicator
-            //StartDrawingIndeterminateProgress();
+            SetStatus("Cleanup", "almost done :)", null, ProgressStyle.Indeterminate);
 
             if(_data.PatchNeeded)
             {
diff --git a/SPTInstaller/Models/InstallerTaskBase.cs b/SPTInstaller/Models/InstallerTaskBase.cs
index 22c410f..56d7bb9 100644
--- a/SPTInstaller/Models/InstallerTaskBase.cs
+++ b/SPTInstaller/Models/InstallerTaskBase.cs
@@ -1,7 +1,10 @@
 using Avalonia.Threading;
 using ReactiveUI;
+using Serilog;
+using Splat;
 using SPTInstaller.Interfaces;
 using System;
+using System.Security;
 using System.Threading.Tasks;
 
 namespace SPTInstaller.Models
@@ -57,6 +60,13 @@ namespace SPTInstaller.Models
             private set => this.RaiseAndSetIfChanged(ref _showProgress, value);
         }
 
+        private bool _indeterminateProgress;
+        public bool IndeterminateProgress
+        {
+            get => _indeterminateProgress;
+            private set => this.RaiseAndSetIfChanged(ref _indeterminateProgress, value);
+        }
+
         private string _statusMessage;
         public string StatusMessage
         {
@@ -71,28 +81,65 @@ namespace SPTInstaller.Models
             private set => this.RaiseAndSetIfChanged(ref _statusDetails, value);
         }
 
-        /// <summary>
-        /// Update the status message and optionally a progress bar value
-        /// </summary>
-        /// <param name="message"></param>
-        /// <param name="progress"></param>
-        /// <remarks>If message is empty, it isn't updated. If progress is null, the progress bar will be hidden. Details is not touched with this method</remarks>
-        public void SetStatus(string message, int? progress = null) => SetStatus(message, "", progress);
+        public enum ProgressStyle
+        {
+            Hidden = 0,
+            Shown,
+            Indeterminate,
+        }
 
         /// <summary>
-        /// Update the status message, status details, and optionlly a progress bar value
+        /// Update the status details of the task
         /// </summary>
-        /// <param name="message"></param>
-        /// <param name="progress"></param>
-        /// <remarks>If message or details are empty, it isn't updated. If progress is null, the progress bar will be hidden</remarks>
-        public void SetStatus(string message, string details, int? progress = null)
+        /// <param name="message">The main message to display. Not updated if empty</param>
+        /// <param name="details">The details of the task. Not updated if empty</param>
+        /// <param name="progress">Progress of the task. Not empty if null. Overrides progressStyle if a non-null value is supplied</param>
+        /// <param name="progressStyle">The style of the progress bar</param>
+        public void SetStatus(string message, string details, int? progress = null, ProgressStyle? progressStyle = null, bool noLog = false)
         {
-            StatusMessage = String.IsNullOrWhiteSpace(message) ? StatusMessage : message;
-            StatusDetails = String.IsNullOrWhiteSpace(details) ? StatusDetails : details;
-            ShowProgress = progress != null;
+            if(!string.IsNullOrWhiteSpace(message) && message != StatusMessage)
+            {
+                if (!noLog)
+                {
+                    Log.Information($" <===> {message} <===>");
+                }
+
+                StatusMessage = message;
+            }
+
+            if(!string.IsNullOrWhiteSpace(details) && details != StatusDetails)
+            {
+                if (!noLog)
+                {
+                    Log.Information(details);
+                }
+
+                StatusDetails = details;
+            }
+
+            if (progressStyle != null)
+            {
+                switch (progressStyle)
+                {
+                    case ProgressStyle.Hidden:
+                        ShowProgress = false;
+                        IndeterminateProgress = false;
+                        break;
+                    case ProgressStyle.Shown:
+                        ShowProgress = true;
+                        IndeterminateProgress = false;
+                        break;
+                    case ProgressStyle.Indeterminate:
+                        ShowProgress = true;
+                        IndeterminateProgress = true;
+                        break;
+                }
+            }
 
             if (progress != null)
             {
+                ShowProgress = true;
+                IndeterminateProgress = false;
                 Progress = progress.Value;
             }
         }
@@ -117,7 +164,9 @@ namespace SPTInstaller.Models
 
             if (!result.Succeeded)
             {
-                // TODO: handle error state
+                HasErrors = true;
+
+                return result;
             }
 
             IsCompleted = true;
diff --git a/SPTInstaller/Program.cs b/SPTInstaller/Program.cs
index 02ae679..64ec82f 100644
--- a/SPTInstaller/Program.cs
+++ b/SPTInstaller/Program.cs
@@ -1,6 +1,7 @@
 using Avalonia;
 using Avalonia.ReactiveUI;
 using ReactiveUI;
+using Serilog;
 using Splat;
 using SPTInstaller.Controllers;
 using SPTInstaller.Helpers;
@@ -9,6 +10,7 @@ using SPTInstaller.Installer_Tasks.PreChecks;
 using SPTInstaller.Interfaces;
 using SPTInstaller.Models;
 using System;
+using System.IO;
 using System.Linq;
 using System.Reflection;
 
@@ -34,13 +36,23 @@ namespace SPTInstaller
             ServiceHelper.Register<PreCheckBase, NetFramework472PreCheck>();
             ServiceHelper.Register<PreCheckBase, NetCore6PreCheck>();
 #if !TEST
+            string logPath = Path.Join(Environment.CurrentDirectory, "spt-aki-installer_.log");
+
+            Log.Logger = new LoggerConfiguration()
+                         .MinimumLevel.Debug()
+                         .WriteTo
+                         .File(path: logPath,
+                               restrictedToMinimumLevel: Serilog.Events.LogEventLevel.Debug, 
+                               rollingInterval: RollingInterval.Day)
+                         .CreateLogger();
+
             ServiceHelper.Register<InstallerTaskBase, InitializationTask>();
             ServiceHelper.Register<InstallerTaskBase, ReleaseCheckTask>();
             ServiceHelper.Register<InstallerTaskBase, DownloadTask>();
             ServiceHelper.Register<InstallerTaskBase, CopyClientTask>();
             ServiceHelper.Register<InstallerTaskBase, SetupClientTask>();
 #else
-            for(int i = 0; i < 5; i++)
+            for (int i = 0; i < 5; i++)
             {
                 Locator.CurrentMutable.RegisterConstant<InstallerTaskBase>(TestTask.FromRandomName());
             }
diff --git a/SPTInstaller/SPTInstaller.csproj b/SPTInstaller/SPTInstaller.csproj
index c856e40..84e7f8c 100644
--- a/SPTInstaller/SPTInstaller.csproj
+++ b/SPTInstaller/SPTInstaller.csproj
@@ -30,6 +30,7 @@
     <PackageReference Include="FubarCoder.RestSharp.Portable.HttpClient" Version="4.0.8" />
     <PackageReference Include="MegaApiClient" Version="1.10.3" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
     <PackageReference Include="SharpCompress" Version="0.33.0" />
     <PackageReference Include="XamlNameReferenceGenerator" Version="1.6.1" />
   </ItemGroup>
diff --git a/SPTInstaller/ViewModels/MainWindowViewModel.cs b/SPTInstaller/ViewModels/MainWindowViewModel.cs
index 5663d15..eff42ec 100644
--- a/SPTInstaller/ViewModels/MainWindowViewModel.cs
+++ b/SPTInstaller/ViewModels/MainWindowViewModel.cs
@@ -1,5 +1,7 @@
 using Avalonia;
 using ReactiveUI;
+using Serilog;
+using System;
 
 namespace SPTInstaller.ViewModels
 {
@@ -10,6 +12,9 @@ namespace SPTInstaller.ViewModels
 
         public MainWindowViewModel()
         {
+            Log.Information("========= LAUNCHER STARTED =========");
+            Log.Information(Environment.OSVersion.VersionString);
+
             Router.Navigate.Execute(new PreChecksViewModel(this));
         }
 
diff --git a/SPTInstaller/ViewModels/MessageViewModel.cs b/SPTInstaller/ViewModels/MessageViewModel.cs
index 7841c84..d2a6041 100644
--- a/SPTInstaller/ViewModels/MessageViewModel.cs
+++ b/SPTInstaller/ViewModels/MessageViewModel.cs
@@ -1,5 +1,6 @@
 using Avalonia;
 using ReactiveUI;
+using Serilog;
 using System.Windows.Input;
 
 namespace SPTInstaller.ViewModels
@@ -24,6 +25,7 @@ namespace SPTInstaller.ViewModels
         public MessageViewModel(IScreen Host, string message) : base(Host)
         {
             Message = message;
+            Log.Information(message);
         }
     }
 }
diff --git a/SPTInstaller/ViewModels/PreChecksViewModel.cs b/SPTInstaller/ViewModels/PreChecksViewModel.cs
index 014235d..c0ac9b0 100644
--- a/SPTInstaller/ViewModels/PreChecksViewModel.cs
+++ b/SPTInstaller/ViewModels/PreChecksViewModel.cs
@@ -30,7 +30,8 @@ namespace SPTInstaller.ViewModels
 
             if(data == null || installer == null)
             {
-                // TODO: abort to message view
+                NavigateTo(new MessageViewModel(HostScreen, "Failed to get required service for prechecks"));
+                return;
             }
 
             data.TargetInstallPath = Environment.CurrentDirectory;
@@ -45,8 +46,13 @@ namespace SPTInstaller.ViewModels
 
             Task.Run(async () =>
             {
-                // TODO: if a required precheck fails, abort to message view
                 var result = await installer.RunPreChecks();
+
+                if(!result.Succeeded)
+                {
+                    //if a required precheck fails, abort to message view
+                    NavigateTo(new MessageViewModel(HostScreen ,result.Message));
+                }
             });
         }
     }
diff --git a/SPTInstaller/Views/InstallView.axaml b/SPTInstaller/Views/InstallView.axaml
index 2e5395b..298fa0a 100644
--- a/SPTInstaller/Views/InstallView.axaml
+++ b/SPTInstaller/Views/InstallView.axaml
@@ -18,6 +18,7 @@
 			            Message="{Binding CurrentTask.StatusMessage}"
 						Details="{Binding CurrentTask.StatusDetails}"
 						Progress="{Binding CurrentTask.Progress}"
+						IndeterminateProgress="{Binding CurrentTask.IndeterminateProgress}"
 						ShowProgress="{Binding CurrentTask.ShowProgress}"
 						/>
 	</Grid>