re: HELP Please, my gumpaste is too soft

You can try kneading in more Gum-Tex or Tylose powder if you have any, just a little at a time.

For a gum paste recipe that works brilliantly and never fails though, try this from Nicholas Lodge ~

http://www.firstimpressionsmolds.com/sugarpastefondantgumpasteandpastillage.aspx

Good luck!