diff --git a/MainForm.cs b/MainForm.cs
index 5156902..36bf785 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -138,6 +138,12 @@ namespace SaveWizard_rewritten
 
         private void MainForm_Load(object sender, EventArgs e)
         {
+            if (!File.Exists("SII_Decrypt.dll"))
+            {
+                Utils.ShowError("SII_Decrypt.dll not found! Place dll file near this executable.");
+                Close();
+            }
+
             items = new Dictionary<TextBox, WindowText>
             {
                 { txt_money, new WindowText(chk_money, "money_account:") },
diff --git a/UpdateForm.cs b/UpdateForm.cs
index 41274a6..42e09b8 100644
--- a/UpdateForm.cs
+++ b/UpdateForm.cs
@@ -74,7 +74,7 @@ namespace SaveWizard_rewritten
 
         private void backgroundWorker1_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e)
         {
-            this.Close();
+            Close();
         }
     }
 }