The System Has Failed is the tenth studio album by American thrash metal band Megadeth, released on September 14, 2004. It was the band's second and final studio album to be distributed by Sanctuary Records. The System Has Failed was the first album to be released after Dave Mustaine recovered from his arm injury sustained in 2002. It is also the first of four Megadeth studio albums not to include original bassist and co-founder David Ellefson. The album features former Megadeth member Chris Poland (guitar), who previously performed on Killing Is My Business... and Business Is Good! (1985) and Peace Sells... but Who's Buying? (1986), as well as session drummer Vinnie Colaiuta and bassist Jimmie Lee Sloas.

David Scott Mustaine is an American musician. He is the co-founder, frontman, primary songwriter and sole consistent member of the thrash metal band Megadeth. Mustaine has released sixteen studio albums with Megadeth, sold over 38 million records worldwide, with six albums platinum-certified, and won a Grammy Award for Best Metal Performance in 2017 at the 59th Grammy Awards, for the title track of their fifteenth studio album, Dystopia.