After dling the goodies(250mb) in the 3dgs website, everytime i try to run a demo level made by someone else, and from one of the demo levels, it always says

<INCLUDE ^message.wdl>;>
ADEPT2.WDL 22:2 Error(26) Can't open message.wdl
<INCLUDE ^menu.wdl>;>
ADEPT2.WDL 22:2 Error(26) Can't open menu.wdl
<INCLUDE ^particle.wdl>;>
ADEPT2.WDL 22:2 Error(26) Can't open particle.wdl

This happens everytime, even when i try to run future.wmp used to go through the tutorial.... plz help! I just reinstalled my 3dgs and everything unaltered but the problem still remain