Открываем блокнот и вставляем туда этот код: Code
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<style type="text/css">#adBegunanuiX4vS {z-index:10;position:absolute;top:0;left:0;padding:1px 2px 2px 0px;}#adTextanuiX4vS {z-index:9;position:absolute;top:0;left:0;width:100%;line-height:22px;background:#000000;border-bottom: 1px outset; }#adCloseanuiX4vS {position:absolute;top:0;right:0;z-index:10;background:#000000;line-height:22px;padding:3px 4px 3px 4px; border-bottom: 1px outset;}</style>
<meta name="yandex-verification" content="5f2bd7a4e4863ac2">
<title>404</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
<style type="text/css">
<!--
body {
background-color: #000000;
}
</BODY></HTML>
#Layer1 {
position:absolute;
left:929px;
top:491px;
width:78px;
height:64px;
z-index:1;
}
-->
</style>
<link type="text/css" rel="StyleSheet" href="http://criminall.ucoz.com/_st/my.css">
<link type="text/css" rel="StyleSheet" href="http://s7.ucoz.net/src/layer1.css">
<script type="text/javascript" src="http://s7.ucoz.net/src/ajax.js"></script>
<style type="text/css">.UhideBlockL {display:none}</style>
<link type="text/css" rel="StyleSheet" href="http://s16.ucoz.net/src/layer6.css">
<script type="text/javascript" src="http://s16.ucoz.net/src/ajax.js"></script>
<style type="text/css">.UhideBlock {display:none}</style>
<link type="text/css" rel="StyleSheet" href="http://s20.ucoz.net/src/layer5.css">
<script type="text/javascript" src="http://s20.ucoz.net/src/ajax.js"></script>
<style type="text/css">.UhideBlock {display:none}</style>
</head>
<body>
<center> </center>
<center><img style="width: 500px; height: 500px;" src="http://s51.radikal.ru/i134/0901/34/be16c44164e7.jpg" alt=""><br>
<a href="/"><img style="border: 0px solid ; width: 468px; height: 60px;" src="http://i070.radikal.ru/0901/40/ffbae83d4ab7.jpg" alt=""></a><br>
<span style="text-decoration: underline;"></span><span style="text-decoration: underline;"><span style="font-weight: bold;"></span></span></center>
<center><object type="application/x-shockwave-flash" data="http://www.samp-rus.com/mp3player_500x70.swf" height="33" width="220"><param name="wmode" value="transparent"><param name="allowFullScreen" value="true"><param name="movie" value="http://www.samp-rus.com/mp3player_500x70.swf"><param name="FlashVars" value="way=http://www.clubs-city.ru/mp3/we_can_do_it_all_night.mp3&swf=http://www.samp-rus.com/mp3player_500x70.swf& w=220&h=33&time_seconds=0&autoplay=1&q=&skin=black&volume=100&comment=">
</object></center>
<center> </center>
<!-- 0.00905 (s7) --><!-- 0.01033 (s16) -->
<!-- 0.00429 (s20) -->
</body>
</html>
Сохраняем с названием 404.htm и закидываем в корень сайта.