ftp den htaccess dosyasını sil.admin panelinden seo ayarlarına gir en altta htaccess bölümüne şunu ekle..eğer forumum anadizindeyse kodları olduğu gibi ekle.forumun farklı bir klasördeyse şu kısıma forum klasörünün bulunduğu alanı yaz
RewriteBase /FORUM KLASÖR ADI

RewriteEngine on
#Some apache servers need Rewritebase.
#delete # from start of Rewrite base to enable it.
#If your forum is something like http://www.forum-example.com/forum then modify your 
#RewriteBase in this way: RewriteBase /forum
RewriteBase /
#Archive/Sitemaps
RewriteRule ^sitemaps-([a-zA-Z0-9-]*)\.html index.php?dummy=1&action=seo4smfsitemaps&sa=$1 [L]
#uncomment if you use beautifying url actions 
#RewriteCond %{REQUEST_METHOD} =GET
#RewriteCond %{QUERY_STRING} ^action=(.*)$
#RewriteRule  ^(.*)$ seo4smf-redirect.php?a=%1 [R=301,L]
RewriteCond %{QUERY_STRING} ^topic=([0-9]*)$
RewriteRule  ^(.*)$ seo4smf-redirect.php?t=%1 [R=301,L]
RewriteCond %{QUERY_STRING} ^topic=([0-9]*).([0-9]*)
RewriteRule  ^(.*)$ seo4smf-redirect.php?t=%1 [R=301,L]
RewriteCond %{QUERY_STRING} ^board=([0-9]*).([0-9]*)
RewriteRule  ^(.*)$ seo4smf-redirect.php?b=%1 [R=301,L]
RewriteCond %{QUERY_STRING} ^action=profile;u=([0-9]*);(.*)$
RewriteRule  ^(.*)$ seo4smf-redirect.php?u=%1;param=%2 [R=301,L]
RewriteCond %{QUERY_STRING} ^action=profile;u=([0-9]*)
RewriteRule  ^(.*)$ seo4smf-redirect.php?u=%1 [R=301,L]
#Tiny Portal Old Url's
RewriteCond %{QUERY_STRING} ^page=([0-9]*)
RewriteRule  ^(.*)$ seo4smf-redirect.php?p=%1 [R=301,L]
#Rewrite Old urls
RewriteRule  ^index.php/board,(.*).html seo4smf-redirect.php?b=$1 [R=301,L]
RewriteRule  ^index.php/board,(.*).html;(.*) seo4smf-redirect.php?b=$1&o=$2 [R=301,L]
RewriteRule  ^index.php/topic,(.*).html seo4smf-redirect.php?t=$1 [R=301,L]
RewriteRule  ^index.php/topic,(.*).html;(.*) seo4smf-redirect.php?t=$1&o=$2 [R=301,L]
#Bad Url's
#RewriteCond %{REQUEST_URI} ^(.*)\.html$
#RewriteCond %{REQUEST_URI} !^(.+)/(.*)-t([0-9]*)\.([0-9]*).html$
#RewriteRule ^(.*)-t([0-9]*)\.([0-9]*)\.html seo4smf-redirect.php?t=$2 [R=301,L]
RewriteRule  ^(.*)/-t(.*).html seo4smf-redirect.php?t=$2 [R=301,L]
RewriteRule  ^-b(.*)/$ seo4smf-redirect.php?b=$1 [R=301,L]
RewriteRule  ^-b(.*)/(.*)$ seo4smf-redirect.php?b=$1 [R=301,L]
RewriteRule  ^(.*)/-b(.*)/$ seo4smf-redirect.php?b=$2 [R=301,L]
#New board URL's
RewriteRule ^(.*)-b([0-9]*)\.([0-9]*)/;(.*) index.php?dummy=1&board=$2.$3&$4 [L]
RewriteRule ^(.*)-b([0-9]*)\.([0-9]*)/$ index.php?dummy=2&board=$2.$3 [L]
RewriteRule ^(.*)-b([0-9]*)\.([0-9])$ index.php?dummy=2&board=$2.$3 [L]
#New topic URL's
RewriteRule ^(.*)-t([0-9]*)\.([0-9]*)\.html;((\?:from|msg|new)[0-9]*);(.*)$ index.php?dummy=1&topic=$2.$4&$6 [L]
RewriteRule ^(.*)-t([0-9]*)\.([0-9]*)\.html;((\?:from|msg|new)[0-9]*) index.php?dummy=1&topic=$2.$4 [L]
RewriteRule ^(.*)-t([0-9]*)\.([0-9]*)\.html;(.*)$ index.php?dummy=1&topic=$2.$3&$4 [L]
RewriteRule ^(.*)-t([0-9]*)\.([0-9]*)\.html$ index.php?dummy=1&topic=$2.$3 [L]
#New profiles URL's
RewriteRule ^(.*)-u([0-9]*)\.html;sa,(.*);start,([0-9]*);delete,([0-9]*);sesc,([a-z0-9]*)$ index.php?dummy=1&action=profile;u=$2;sa=$3;start=$4;delete=$5;sesc=$6 [L]
RewriteRule ^(.*)-u([0-9]*)\.html;sa,(.*);start,([0-9]*)$ index.php?dummy=1&action=profile;u=$2;sa=$3;start=$4 [L]
RewriteRule ^(.*)-u([0-9]*)\.html;sa,(.*)$ index.php?dummy=1&action=profile;u=$2;sa=$3 [L]
RewriteRule ^(.*)-u([0-9]*)\.html index.php?dummy=1&action=profile;u=$2 [L]
#New Tinyportal Articles URL's
RewriteRule ^(.*)-p([0-9]*)\.html index.php?dummy=1&page=$2 [L]
#New action Url's - uncomment if you use beautifying url actions 
#RewriteRule ^(.*)\.html(.*)$ index.php?dummy=1;action=$1;$2 [L]
#RewriteRule ^(.*)\.html$ index.php?dummy=1;action=$1 [L]
#Sitemaps
RewriteRule sitemap.xml sitemaps.php [L]
RewriteRule urllist.txt urllist.php [L]