TO UNPROTECT DRAGON'S LAIR 
USE PCTOOLS OR OTHER PROGRAM AND EDIT GAME.EXE.
GO TO SECTOR 29 OFFSET 3 AND CHANGE CD 21 TO 90 90 THEN GOTO 
OFFSET 10 AND CHANGE CD 21 TO 90 90. GO TO OFFSET 18 CHANGE 74 TO EB
GO TO OFFSET 33 CHANGE 73 TO EB GO TO OFFSET 45 CHANGE 74 EB.
THAT'S IT!