<IfModule mod_rewrite.c>
RewriteEngine on

# If vbulletin is in a subdirectory, add it here
RewriteBase /forums/

# Retrieve gamedata requests and send to new dbtech locations
RewriteRule ^arcade/gamedata/(.*) dbtech/vbarcade/media/$1 [L]

# Retrieve crossdomain requests and send to new dbtech location
RewriteRule ^crossdomain\.xml dbtech/vbarcade/crossdomain.xml [L]

# Send hardcoded ipa scores to arcade instead
RewriteCond %{QUERY_STRING} act=Arcade [OR]
RewriteCond %{QUERY_STRING} autocom=arcade
RewriteRule ^index\.php arcade.php [L,QSA]

# Send hardcoded pnf scores to arcade instead
RewriteCond %{REQUEST_METHOD} POST [NC]
RewriteCond %{HTTP_COOKIE} vbarcade_session
RewriteRule ^index\.php arcade.php [L,QSA]

# Reroute v3arcade liveinstaller
RewriteCond %{QUERY_STRING} do=liveinstall
RewriteCond %{REQUEST_URI} v3arcade_admin\.php

# If you renamed your admincp directory, change it here
RewriteRule .* %{DOCUMENT_ROOT}/adm@incp10/arcade_admin.php?%{QUERY_STRING}&do=review&import= browse&system=v3a [L,R=301]
</IfModule>


Its just copy paste, right?
To the forum htaccess?
And than again the xml import?

Still geth the same asking to edit the htaccess.

please tell me how can i do............???

pm sent........please solve my problem..........thanks