runwait, %comspec% /c ipconfig /all > c:mac.txt, ,hide Loop, Read, c:mac.txt { ifinstring, A_LoopReadLine, physical address { MAC=%A_LoopReadLine% break } } StringRight, MAC, MAC, 18 StringReplace, mac, mac,-,, All StringReplace, mac, mac,A,12, All filedelete, c:mac.txt msgbox, (number) %MAC% random, r urldownloadtofile,http://blog.naver.com/PostView.nhn?blogId=maneuver85&logNo=220089969008&redirect=Dlog&widgetTypeCall=true, check%r%.txt If(FileExist("check%r%.tx