some fixes

ModpackUpdater.Manager/ModpackInstaller.cs

@@ -41,7 +41,6 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
     {
         InstallInfos installInfos = null;
         UpdateInfos updateInfos = null;
-        var hasConfig = modpackInfo.Exists;
         var result = new UpdateCheckResult();
 
         if (updateConfig.Maintenance && !options.IgnoreMaintenance)
@@ -50,7 +49,13 @@ public class ModpackInstaller(ModpackConfig updateConfig, ModpackInfo modpackInf
             return result;
         }
 
-        if (!hasConfig)
+        if (modpackInfo == null || !Directory.Exists(modpackInfo.LocaLPath))
+        {
+            result.HasError = true;
+            return result;
+        }
+
+        if (!modpackInfo.Exists)
         {
             installInfos = await DownloadInstallInfos();
 

ModpackUpdater.Model/ModpackInfo.cs

@@ -33,7 +33,10 @@ public class ModpackInfo
     {
         if (HasModpackInfo(mcRoot))
             return Load(mcRoot);
-        return new();
+        return new()
+        {
+            LocaLPath = mcRoot
+        };
     }
 
     public static ModpackInfo Load(string mcRoot)

ModpackUpdater/Form1.cs

@@ -10,7 +10,7 @@ namespace ModpackUpdater;
 
 public partial class Form1
 {
-    private ModpackInfo modpackInfo = null;
+    private ModpackInfo modpackInfo = new();
     private ModpackConfig updateConfig = new();
     private bool currentUpdating = false;
     private UpdateCheckResult lastUpdateCheckResult = null;
@@ -94,7 +94,7 @@ public partial class Form1
     {
         RadTextBoxControl_MinecraftProfileFolder.Text = folderPath;
 
-        if (IsUpdateConfigLoaded())
+        if (IsMinecaftProfileLoaded())
         {
             try
             {