diff --git a/ModpackUpdater.Manager/ModpackInstaller.cs b/ModpackUpdater.Manager/ModpackInstaller.cs
index 11ec1c1..7fbf338 100644
--- a/ModpackUpdater.Manager/ModpackInstaller.cs
+++ b/ModpackUpdater.Manager/ModpackInstaller.cs
@@ -37,18 +37,34 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
         return InstallInfos.Parse(content);
     }
 
-    public async Task<UpdateCheckResult> Check()
+    public async Task<UpdateCheckResult> Check(bool allowUpdaterAfterInstall = true)
     {
         var result = new UpdateCheckResult();
+        var hasConfig = ModpackInfo.HasModpackInfo(localPath);
+        InstallInfos installInfos = null;
+        UpdateInfos updateInfos = null;
 
-        if (ModpackInfo.HasModpackInfo(localPath))
+        if (!hasConfig)
         {
-            var infos = await DownloadUpdateInfos();
-            var modpackInfo = ModpackInfo.Load(localPath);
+            installInfos = await DownloadInstallInfos();
 
-            if (infos is not null && infos.Updates.Count != 0)
+            if (installInfos is not null && installInfos.Actions.Count != 0)
             {
-                var updatesOrderes = infos.Updates.OrderByDescending(n => n.Version);
+                result.Actions.AddRange(installInfos.Actions);
+                result.LatestVersion = installInfos.Version;
+            }
+            else
+                result.HasError = true;
+        }
+
+        if (allowUpdaterAfterInstall)
+        {
+            updateInfos = await DownloadUpdateInfos();
+            var modpackInfo = ModpackInfo.HasModpackInfo(localPath) ? ModpackInfo.Load(localPath) : new();
+
+            if (updateInfos is not null && updateInfos.Updates.Count != 0)
+            {
+                var updatesOrderes = updateInfos.Updates.OrderByDescending(n => n.Version);
                 result.LatestVersion = updatesOrderes.First().Version;
                 result.CurrentVersion = modpackInfo.Version;
                 result.IsInstalled = true;
@@ -76,19 +92,6 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
                 result.HasError = true;
         }
 
-        if (!result.IsInstalled)
-        {
-            var infos = await DownloadInstallInfos();
-
-            if (infos is not null && infos.Actions.Count != 0)
-            {
-                result.Actions.AddRange(infos.Actions);
-                result.LatestVersion = infos.Version;
-            }
-            else
-                result.HasError = true;
-        }
-
         return result;
     }