phpnuke安装后进admin.php出现问题

abcan

phpnuke版本：7.2
MySQL版本：4.0.18
phpMyadmin版本：2.6.0-alpha1
OS: winxp pro

步骤如下：
解压phpnuke，复制html目录到d:_\web\phpnuke，在iis中设定虚拟目录。建立新数据库nuke，并导入nuke.sql文件，成功。
在打开admin.php文件时候出现以下提示：
[code:1]Notice: Undefined index: REQUEST_URI in D:\_web\phpnuke\admin.php on line 14

Notice: ob_end_clean(): failed to delete buffer. No buffer to delete. in D:\_web\phpnuke\mainfile.php on line 18

Notice: Undefined variable: forum_admin in D:\_web\phpnuke\mainfile.php on line 67

Notice: Undefined variable: inside_mod in D:\_web\phpnuke\mainfile.php on line 70

Notice: Undefined variable: inside_mod in D:\_web\phpnuke\db\db.php on line 44

Notice: Use of undefined constant nukeurl - assumed 'nukeurl' in D:\_web\phpnuke\mainfile.php on line 87

Notice: Use of undefined constant site_logo - assumed 'site_logo' in D:\_web\phpnuke\mainfile.php on line 88

Notice: Use of undefined constant slogan - assumed 'slogan' in D:\_web\phpnuke\mainfile.php on line 89

Notice: Use of undefined constant startdate - assumed 'startdate' in D:\_web\phpnuke\mainfile.php on line 90

Notice: Use of undefined constant adminmail - assumed 'adminmail' in D:\_web\phpnuke\mainfile.php on line 91

Notice: Use of undefined constant anonpost - assumed 'anonpost' in D:\_web\phpnuke\mainfile.php on line 92

Notice: Use of undefined constant Default_Theme - assumed 'Default_Theme' in D:\_web\phpnuke\mainfile.php on line 93

Notice: Use of undefined constant foot1 - assumed 'foot1' in D:\_web\phpnuke\mainfile.php on line 94

Notice: Use of undefined constant foot2 - assumed 'foot2' in D:\_web\phpnuke\mainfile.php on line 95

Notice: Use of undefined constant foot3 - assumed 'foot3' in D:\_web\phpnuke\mainfile.php on line 96

Notice: Use of undefined constant commentlimit - assumed 'commentlimit' in D:\_web\phpnuke\mainfile.php on line 97

Notice: Use of undefined constant anonymous - assumed 'anonymous' in D:\_web\phpnuke\mainfile.php on line 99

Notice: Use of undefined constant minpass - assumed 'minpass' in D:\_web\phpnuke\mainfile.php on line 100

Notice: Use of undefined constant pollcomm - assumed 'pollcomm' in D:\_web\phpnuke\mainfile.php on line 102

Notice: Use of undefined constant articlecomm - assumed 'articlecomm' in D:\_web\phpnuke\mainfile.php on line 104

Notice: Use of undefined constant broadcast_msg - assumed 'broadcast_msg' in D:\_web\phpnuke\mainfile.php on line 106

Notice: Use of undefined constant my_headlines - assumed 'my_headlines' in D:\_web\phpnuke\mainfile.php on line 108

Notice: Use of undefined constant top - assumed 'top' in D:\_web\phpnuke\mainfile.php on line 110

Notice: Use of undefined constant storyhome - assumed 'storyhome' in D:\_web\phpnuke\mainfile.php on line 112

Notice: Use of undefined constant user_news - assumed 'user_news' in D:\_web\phpnuke\mainfile.php on line 114

Notice: Use of undefined constant oldnum - assumed 'oldnum' in D:\_web\phpnuke\mainfile.php on line 116

Notice: Use of undefined constant ultramode - assumed 'ultramode' in D:\_web\phpnuke\mainfile.php on line 118

Notice: Use of undefined constant banners - assumed 'banners' in D:\_web\phpnuke\mainfile.php on line 120

Notice: Use of undefined constant backend_title - assumed 'backend_title' in D:\_web\phpnuke\mainfile.php on line 122

Notice: Use of undefined constant backend_language - assumed 'backend_language' in D:\_web\phpnuke\mainfile.php on line 123

Notice: Use of undefined constant language - assumed 'language' in D:\_web\phpnuke\mainfile.php on line 124

Notice: Use of undefined constant locale - assumed 'locale' in D:\_web\phpnuke\mainfile.php on line 125

Notice: Use of undefined constant multilingual - assumed 'multilingual' in D:\_web\phpnuke\mainfile.php on line 126

Notice: Use of undefined constant useflags - assumed 'useflags' in D:\_web\phpnuke\mainfile.php on line 128

Notice: Use of undefined constant notify - assumed 'notify' in D:\_web\phpnuke\mainfile.php on line 130

Notice: Use of undefined constant notify_email - assumed 'notify_email' in D:\_web\phpnuke\mainfile.php on line 132

Notice: Use of undefined constant notify_subject - assumed 'notify_subject' in D:\_web\phpnuke\mainfile.php on line 133

Notice: Use of undefined constant notify_message - assumed 'notify_message' in D:\_web\phpnuke\mainfile.php on line 134

Notice: Use of undefined constant notify_from - assumed 'notify_from' in D:\_web\phpnuke\mainfile.php on line 135

Notice: Use of undefined constant moderate - assumed 'moderate' in D:\_web\phpnuke\mainfile.php on line 136

Notice: Use of undefined constant admingraphic - assumed 'admingraphic' in D:\_web\phpnuke\mainfile.php on line 138

Notice: Use of undefined constant httpref - assumed 'httpref' in D:\_web\phpnuke\mainfile.php on line 140

Notice: Use of undefined constant httprefmax - assumed 'httprefmax' in D:\_web\phpnuke\mainfile.php on line 142

Notice: Use of undefined constant CensorMode - assumed 'CensorMode' in D:\_web\phpnuke\mainfile.php on line 144

Notice: Use of undefined constant CensorReplace - assumed 'CensorReplace' in D:\_web\phpnuke\mainfile.php on line 146

Notice: Use of undefined constant copyright - assumed 'copyright' in D:\_web\phpnuke\mainfile.php on line 147

Notice: Use of undefined constant Version_Num - assumed 'Version_Num' in D:\_web\phpnuke\mainfile.php on line 148

Warning: Cannot modify header information - headers already sent by (output started at D:\_web\phpnuke\admin.php:14) in D:\_web\phpnuke\mainfile.php on line 171

Notice: Constant _YOUHAVE already defined in D:\_web\phpnuke\language\lang-english.php on line 159

Notice: Use of undefined constant admin - assumed 'admin' in D:\_web\phpnuke\admin.php on line 21

Notice: Use of undefined constant admin - assumed 'admin' in D:\_web\phpnuke\mainfile.php on line 186

Notice: Constant _YES already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 24

Notice: Constant _NO already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 25

Notice: Constant _HELLO already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 36

Notice: Constant _DATE already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 80

Notice: Constant _IMAGEURL already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 126

Notice: Constant _CLICKURL already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 127

Notice: Constant _HOUR already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 170

Notice: Constant _ADD already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 232

Notice: Constant _UMONTH already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 236

Notice: Constant _YEAR already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 237

Notice: Constant _TEAM already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 487

Notice: Undefined variable: sitename in D:\_web\phpnuke\admin\language\lang-english.php on line 540

Notice: Undefined variable: nukeurl in D:\_web\phpnuke\admin\language\lang-english.php on line 540

Notice: Undefined variable: sitename in D:\_web\phpnuke\admin\language\lang-english.php on line 540

Notice: Undefined variable: sitename in D:\_web\phpnuke\admin\language\lang-english.php on line 543

Notice: Constant _SECURITYCODE already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 742

Notice: Constant _TYPESECCODE already defined in D:\_web\phpnuke\admin\language\lang-english.php on line 743

Notice: Undefined variable: name in D:\_web\phpnuke\admin.php on line 45

Notice: Undefined index: 1 in D:\_web\phpnuke\mainfile.php on line 613[/code:1]

为什么会这样呢？请教各位，什么地方出了问题～
thx~~