404. That’s an error.

The requested URL /custom?q=NERD_commenter.vim&safe=active&client=pub-3005259998294962&cof=FORID:13%3BAH:left%3BS:http://www.vim.org%3BCX:Vim%2520Search%3BL:http://www.vim.org/images/vim_header.gif%3BLH:45%3BLC:%230000ff%3BVLC:%23663399%3BDIV:%23336699%3B&cx=partner-pub-3005259998294962:bvyni59kjr1&adkw=AELymgVsc25JrLNasGaJktFO0-yPLp6FGLt_DGQdnllkG3Jixw-ON8M9TsvoRzCKTIWShliTC0kneTuIJphPahTyKv1i0QXiOS1sKrb6YW5PsqggZpn8mJejDBUqQfFJqOBO7kPYxUBCjG0ITIe8J2YPDuQ-JXTwlMdretZ4Sp6DFmzc1XJX0Zc&hl=en&channel=7394275211&boostcse=0&ie=UTF-8&oe=ISO-8859-1&prmd=ivns&ei=f4QjV7nbKsmw-AH_xo4g&start=10&sa=N was not found on this server. That’s all we know.