hi guys my trouble about proedit is that when i protect one map my friend can open it so i dont really dont know y he could open it when i already protected it so plz if u know how to protect maps plz tell me i use proedit because u can open it altough u have unprotector so plz i need ur help with proedit if u know plz tell me the steps to do it should i protect the copy of the map or i have to protect to original??? but what shk file means???? should i save chk files to protect??? plz answer me thnx