--- a/pveui.js

+++ b/pveui.js

@@ -1156,6 +1156,7 @@

                 $D('toggleAltButton').style.display = "inline";

                 $D('sendTabButton').style.display = "inline";

                 $D('sendEscButton').style.display = "inline";

+		$D('sendCtrlAltDelButton').style.display = "inline";

                 $D('showExtraKeysButton').className = "noVNC_status_button_selected";

                 UI.extraKeysVisible = true;

             } else if(UI.extraKeysVisible === true) {

@@ -1163,6 +1164,7 @@

                 $D('toggleAltButton').style.display = "";

                 $D('sendTabButton').style.display = "";

                 $D('sendEscButton').style.display = "";

+		$D('sendCtrlAltDelButton').style.display = "";

                 $D('showExtraKeysButton').className = "noVNC_status_button";

                 UI.extraKeysVisible = false;

             }