Krash

Krash is anti-system program causes the CPU of an attacked deck or system (closest CPU in multi-processor systems) to become inoperative for 1D6+1 turns. A Krashed deck automatically drops its' runner out the Net, while a Krashed system may not act until the time period has elapsed and it has re-booted itself. Does crashes system CPU for 1D6+1 turns.

Source

 * Cyberpunk 2020, pg.138, 142