diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 0006b8d2..66bbc26b 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -7,7 +7,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20240323-1"
+PROGVERS="v14.0.20240324-1 (updateConfigEntry-sed-prevent-escaping)"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -10921,17 +10921,24 @@ function updateConfigEntry {
 				fi
 
 				# only save value if it changed
+				#
+				# NOTE 24/03/2024 - the  sed command was changed to prevent expanding escape sequences,
+				# i.e. removing backslashes from Windows paths, or interpreting `\t` as a tab character.
+				# please report if this causes problems!
 				if { [ "${!CFGCAT}" != "$CFGVALUE" ] && [ "${!CFGCAT}" != "${CFGVALUE//$STLCFGDIR/STLCFGDIR}" ];} || [ -f "$FUPDATE" ]; then
 					CFGVALUE="${CFGVALUE//$STLCFGDIR/STLCFGDIR}"
 					if [ "$(grep -c "#${CFGCAT}=" "$CFGFILE")" -eq 1 ]; then
 						writelog "INFO" "${FUNCNAME[0]} - Option '$CFGCAT' commented out in config '${CFGFILE##*/}' - activating it with the new value '$CFGVALUE'"
-						sed -i "/^#${CFGCAT}=/c$CFGCAT=\"$CFGVALUE\"" "$CFGFILE"
+						# sed -i "/^#${CFGCAT}=/c$CFGCAT=\"$CFGVALUE\"" "$CFGFILE"
+						sed -i '/^#'"${CFGCAT}"'=/c\'"${CFGCAT}=\"$CFGVALUE\"" "$CFGFILE"
 					elif [ "$(grep -c "^${CFGCAT}=" "$CFGFILE")" -eq 0 ]; then
 						writelog "INFO" "${FUNCNAME[0]} - '$CFGCAT' option missing in config '${CFGFILE##*/}' - adding a new line"
-						echo "$CFGCAT=\"$CFGVALUE\"" >> "$CFGFILE"
+						# echo "$CFGCAT=\"$CFGVALUE\"" >> "$CFGFILE"
+						printf "%s=\"%s\"\n" "${CFGCAT}" "${CFGVALUE}" >> "${CFGFILE}"
 					else
 						writelog "INFO" "${FUNCNAME[0]} - Option '$CFGCAT' is updated with the new value '$CFGVALUE' in config '${CFGFILE##*/}'"
-						sed -i "/^${CFGCAT}=/c$CFGCAT=\"$CFGVALUE\"" "$CFGFILE"
+						# sed -i "/^${CFGCAT}=/c$CFGCAT=\"$CFGVALUE\"" "$CFGFILE"
+						sed -i '/^'"${CFGCAT}"'=/c\'"${CFGCAT}=\"$CFGVALUE\"" "$CFGFILE"
 					fi
 					rm "$FUPDATE" 2>/dev/null
 				fi