مشكلة في الدخول للمنتدى بعد التنصيب يدخل ولاكن اذا سجلت الخروج ودخلت مرة ثانية ما يدخل

<!-- login form -->

<!-- / login form -->

<form action="login.php" method="post" onsubmit="md5hash(vb_login_password, vb_login_md5password, vb_login_md5password_utf, $show[nopasswordempty])"> <script type="text/javascript" src="clientscript/vbulletin_md5.js"></script> <table cellpadding="0" cellspacing="$stylevar[formspacer]" border="0"> <tr> <td class="smallfont">$vbphrase[username]</td> <td><input type="text" class="bginput" style="font-size: 11px" name="vb_login_username" id="navbar_username" size="10" accesskey="u" tabindex="101" value="$vbphrase[username]" onfocus="if (this.value == '$vbphrase[username]') this.value = '';" /></td> <td class="smallfont" colspan="2" nowrap="nowrap"><label for="cb_*****euser_navbar"> <input type="checkbox" name="*****euser" value="1" tabindex="103" id="cb_*****euser_navbar" accesskey="c" checked />$vbphrase[remember_me]</label></td> </tr> <tr> <td class="smallfont">$vbphrase[password]</td> <td><input type="password" class="bginput" style="font-size: 11px" name="vb_login_password" size="10" accesskey="p" tabindex="102" /></td> <td><input type="submit" class="button" value="$vbphrase[log_in]" tabindex="104" title="$vbphrase[enter_username_to_login_or_register]" accesskey="s" /></td> </tr> </table> <input type="hidden" name="s" value="$session[sessionhash]" /> <input type="hidden" name="do" value="login" /> <input type="hidden" name="vb_login_md5password" /> <input type="hidden" name="vb_login_md5password_utf" /> </form>