diff --git a/Server/Forms/FrmMain.cs b/Server/Forms/FrmMain.cs
index 6acb74c7..9a0808c1 100644
--- a/Server/Forms/FrmMain.cs
+++ b/Server/Forms/FrmMain.cs
@@ -347,6 +347,7 @@ private void ctxtReconnect_Click(object sender, EventArgs e)
 
         private void ctxtUninstall_Click(object sender, EventArgs e)
         {
+            if (lstClients.SelectedItems.Count == 0) return;
             if (
                 MessageBox.Show(
                     string.Format(