Publishing Problem, 404 Error

@Shange G. Im getting the same error, please help me.

What you mean by reseting my permalinks? They are looking like this: /%post_id%/%category%/%postname%

My .htacess is looking like this:

# BEGIN W3TC Browser Cache
<IfModule mod_mime.c>
AddType text/css .css
AddType application/x-javascript .js
AddType text/html .html .htm
AddType text/richtext .rtf .rtx
AddType image/svg+xml .svg .svgz
AddType text/plain .txt
AddType text/xsd .xsd
AddType text/xsl .xsl
AddType text/xml .xml
AddType video/asf .asf .asx .wax .wmv .wmx
AddType video/avi .avi
AddType image/bmp .bmp
AddType application/java .class
AddType video/divx .divx
AddType application/msword .doc .docx
AddType application/x-msdownload .exe
AddType image/gif .gif
AddType application/x-gzip .gz .gzip
AddType image/x-icon .ico
AddType image/jpeg .jpg .jpeg .jpe
AddType application/vnd.ms-access .mdb
AddType audio/midi .mid .midi
AddType video/quicktime .mov .qt
AddType audio/mpeg .mp3 .m4a
AddType video/mp4 .mp4 .m4v
AddType video/mpeg .mpeg .mpg .mpe
AddType application/vnd.ms-project .mpp
AddType application/vnd.oasis.opendocument.database .odb
AddType application/vnd.oasis.opendocument.chart .odc
AddType application/vnd.oasis.opendocument.formula .odf
AddType application/vnd.oasis.opendocument.graphics .odg
AddType application/vnd.oasis.opendocument.presentation .odp
AddType application/vnd.oasis.opendocument.spreadsheet .ods
AddType application/vnd.oasis.opendocument.text .odt
AddType audio/ogg .ogg
AddType application/pdf .pdf
AddType image/png .png
AddType application/vnd.ms-powerpoint .pot .pps .ppt .pptx
AddType audio/x-realaudio .ra .ram
AddType application/x-shockwave-flash .swf
AddType application/x-tar .tar
AddType image/tiff .tif .tiff
AddType audio/wav .wav
AddType audio/wma .wma
AddType application/vnd.ms-write .wri
AddType application/vnd.ms-excel .xla .xls .xlsx .xlt .xlw
AddType application/zip .zip
</IfModule>
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType text/css M3600
ExpiresByType application/x-javascript M3600
ExpiresByType text/html M3600
ExpiresByType text/richtext M3600
ExpiresByType image/svg+xml M3600
ExpiresByType text/plain M3600
ExpiresByType text/xsd M3600
ExpiresByType text/xsl M3600
ExpiresByType text/xml M3600
ExpiresByType video/asf M31536000
ExpiresByType video/avi M31536000
ExpiresByType image/bmp M31536000
ExpiresByType application/java M31536000
ExpiresByType video/divx M31536000
ExpiresByType application/msword M31536000
ExpiresByType application/x-msdownload M31536000
ExpiresByType image/gif M31536000
ExpiresByType application/x-gzip M31536000
ExpiresByType image/x-icon M31536000
ExpiresByType image/jpeg M31536000
ExpiresByType application/vnd.ms-access M31536000
ExpiresByType audio/midi M31536000
ExpiresByType video/quicktime M31536000
ExpiresByType audio/mpeg M31536000
ExpiresByType video/mp4 M31536000
ExpiresByType video/mpeg M31536000
ExpiresByType application/vnd.ms-project M31536000
ExpiresByType application/vnd.oasis.opendocument.database M31536000
ExpiresByType application/vnd.oasis.opendocument.chart M31536000
ExpiresByType application/vnd.oasis.opendocument.formula M31536000
ExpiresByType application/vnd.oasis.opendocument.graphics M31536000
ExpiresByType application/vnd.oasis.opendocument.presentation M31536000
ExpiresByType application/vnd.oasis.opendocument.spreadsheet M31536000
ExpiresByType application/vnd.oasis.opendocument.text M31536000
ExpiresByType audio/ogg M31536000
ExpiresByType application/pdf M31536000
ExpiresByType image/png M31536000
ExpiresByType application/vnd.ms-powerpoint M31536000
ExpiresByType audio/x-realaudio M31536000
ExpiresByType application/x-shockwave-flash M31536000
ExpiresByType application/x-tar M31536000
ExpiresByType image/tiff M31536000
ExpiresByType audio/wav M31536000
ExpiresByType audio/wma M31536000
ExpiresByType application/vnd.ms-write M31536000
ExpiresByType application/vnd.ms-excel M31536000
ExpiresByType application/zip M31536000
</IfModule>
<IfModule mod_deflate.c>
<IfModule mod_setenvif.c>
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
</IfModule>
<IfModule mod_headers.c>
Header append Vary User-Agent env=!dont-vary
</IfModule>
AddOutputFilterByType DEFLATE text/css application/x-javascript text/html text/richtext image/svg+xml text/plain text/xsd text/xsl text/xml image/x-icon
</IfModule>
<FilesMatch “\.(css|js)$”>
FileETag None
<IfModule mod_headers.c>
Header set X-Powered-By “W3 Total Cache/0.9.1.1”
</IfModule>
</FilesMatch>
<FilesMatch “\.(html|htm|rtf|rtx|svg|svgz|txt|xsd|xsl|xml)$”>
FileETag None
<IfModule mod_headers.c>
Header set X-Powered-By “W3 Total Cache/0.9.1.1”
</IfModule>
</FilesMatch>
<FilesMatch “\.(asf|asx|wax|wmv|wmx|avi|bmp|class|divx|doc|docx|exe|gif|gz|gzip|ico|jpg|jpeg|jpe|mdb|mid|midi|mov|qt|mp3|m4a|mp4|m4v|mpeg|mpg|mpe|mpp|odb|odc|odf|odg|odp|ods|odt|ogg|pdf|png|pot|pps|ppt|pptx|ra|ram|swf|tar|tif|tiff|wav|wma|wri|xla|xls|xlsx|xlt|xlw|zip)$”>
FileETag None
<IfModule mod_headers.c>
Header set X-Powered-By “W3 Total Cache/0.9.1.1”
</IfModule>
</FilesMatch>
# END W3TC Browser Cache

# BEGIN W3TC Page Cache
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_USER_AGENT} (2\.0\ mmp|240×320|alcatel|amoi|asus|au\-mic|audiovox|avantgo|benq|bird|blackberry|blazer|cdm|cellphone|danger|ddipocket|docomo|dopod|elaine/3\.0|ericsson|eudoraweb|fly|haier|hiptop|hp\.ipaq|htc|huawei|i\-mobile|iemobile|j\-phone|kddi|konka|kwc|kyocera/wx310k|lenovo|lg|lg/u990|lge\ vx|midp|midp\-2\.0|mmef20|mmp|mobilephone|mot\-v|motorola|netfront|newgen|newt|nintendo\ ds|nintendo\ wii|nitro|nokia|novarra|o2|openweb|opera\ mobi|opera\.mobi|palm|panasonic|pantech|pdxgw|pg|philips|phone|playstation\ portable|portalmmm|ppc|proxinet|psp|pt|qtek|sagem|samsung|sanyo|sch|sec|sendo|sgh|sharp|sharp\-tq\-gx10|sie|small|smartphone|softbank|sonyericsson|sph|symbian|symbian\ os|symbianos|toshiba|treo|ts21i\-10|up\.browser|up\.link|uts|vertu|vodafone|wap|willcome|windows\ ce|windows\.ce|winwap|xda|zte) [NC]
RewriteRule .* – [E=W3TC_UA:_low]
RewriteCond %{HTTP_USER_AGENT} (acer\ s100|android|archos5|blackberry9500|blackberry9530|blackberry9550|cupcake|docomo\ ht\-03a|dream|htc\ hero|htc\ magic|htc_dream|htc_magic|incognito|ipad|iphone|ipod|lg\-gw620|liquid\ build|maemo|mot\-mb200|mot\-mb300|nexus\ one|opera\ mini|samsung\-s8000|series60.*webkit|series60/5\.0|sonyericssone10|sonyericssonu20|sonyericssonx10|t\-mobile\ mytouch\ 3g|t\-mobile\ opal|tattoo|webmate|webos) [NC]
RewriteRule .* – [E=W3TC_UA:_high]
RewriteCond %{HTTPS} =on
RewriteRule .* – [E=W3TC_SSL:_ssl]
RewriteCond %{SERVER_PORT} =443
RewriteRule .* – [E=W3TC_SSL:_ssl]
RewriteCond %{HTTP:Accept-Encoding} gzip
RewriteRule .* – [E=W3TC_ENC:.gzip]
RewriteCond %{REQUEST_METHOD} !=POST
RewriteCond %{QUERY_STRING} =””
RewriteCond %{REQUEST_URI} \/$
RewriteCond %{REQUEST_URI} !(\/wp-admin\/|\/xmlrpc.php|\/wp-(app|cron|login|register|mail)\.php|wp-.*\.php|index\.php) [NC,OR]
RewriteCond %{REQUEST_URI} (wp-comments-popup\.php|wp-links-opml\.php|wp-locations\.php) [NC]
RewriteCond %{HTTP_COOKIE} !(comment_author|wp-postpass|wordpress_\[a-f0-9\]\+|wordpress_logged_in) [NC]
RewriteCond “/home/gadgetblog/gadgetblog/wp-content/w3tc/pgcache/$1/_index%{ENV:W3TC_UA}%{ENV:W3TC_SSL}.html%{ENV:W3TC_ENC}” -f
RewriteRule (.*) “/wp-content/w3tc/pgcache/$1/_index%{ENV:W3TC_UA}%{ENV:W3TC_SSL}.html%{ENV:W3TC_ENC}” [L]
</IfModule>
# END W3TC Page Cache

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress

What should I erase at my .htacess? I think is too big.