diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index be248ca3..43d03bbb 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -6,7 +6,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20240116-2"
+PROGVERS="v14.0.20240119-1"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -6958,6 +6958,14 @@ function migrateCfgOption {
 			updateConfigEntry "SPEKVERS" "$SPEKVERS" "$STLGAMECFG"
 		fi
 
+		# stop MO2MODE from being 'none' in weird scenarios -- Issue was confirmed to be exclusive to SteamOS and may be a (temporary?) SteamOS regression
+		if [ "$MO2MODE" == "$NON" ]; then
+			MO2MODE="disabled"
+			touch "$FUPDATE"
+			writelog "INFO" "${FUNCNAME[0]} - ModOrganizer 2 variable MO2MODE is somehow '$NON' -- Defaulting this to 'disabled'"
+			updateConfigEntry "MO2MODE" "$MO2MODE" "$STLGAMECFG"
+		fi
+
 		# collections update
 		if [ -n "$CHECKCATEGORIES" ] && [ "$CHECKCATEGORIES" -eq 1 ]; then
 			CHECKCOLLECTIONS="$CHECKCATEGORIES"
@@ -17567,7 +17575,19 @@ function setMO2DLMime {
 }
 
 function checkMO2 {
-	if [ "$MO2MODE" != "disabled" ]; then
+	# migrateCfgOption should mean this never happens, but can never be too careful -- Has begun happening since 12/01/2024 for a small number of Steam Deck users
+	if [ "$MO2MODE" == "$NON" ]; then
+		writelog "SKIP" "${FUNCNAME[0]} - MO2MODE is '$NON' -- This should not happen but has been observed in the wild, so explicitly returning here"
+		return
+	fi
+
+	if [ "$MO2MODE" == "disabled" ]; then
+		writelog "SKIP" "${FUNCNAME[0]} - MO2MODE is 'disabled' -- Skipping checkMO2!"
+		return
+	fi
+
+	# if [ "$MO2MODE" != "disabled" ]; then    # This check is because MO2 was once planned to have a silent mode, but no idea if/when this will be implemented, so just explicitly check for GUI
+	if [ "$MO2MODE" == "gui" ]; then
 		writelog "INFO" "${FUNCNAME[0]} - MO2MODE is '$MO2MODE' - starting MO2"
 
 		if [ "$WAITMO2" -gt 0 ]; then
@@ -17594,8 +17614,8 @@ function checkMO2 {
 					}
 				;;
 				4)  {
-						writelog "INFO" "${FUNCNAME[0]} - Selected to start $MO with mods silently"
-						MO2MODE="silent"
+						writelog "INFO" "${FUNCNAME[0]} - Selected to start $MO with mods silently -- defaulting to gui since silent mode is not implemented"
+						MO2MODE="gui"
 					}
 				;;
 				6)  {
@@ -17617,6 +17637,8 @@ function checkMO2 {
 			writelog "INFO" "${FUNCNAME[0]} - Disabling custom command, because $MO2 is enabled"
 			USECUSTOMCMD=0
 		fi
+	else
+		writelog "WARN" "${FUNCNAME[0]} - Unknown MO2MODE value '$MO2MODE' -- This is safe as checkMO2 has been skipped, but it is still unusual"
 	fi
 }