exclude sidebar from caching on WP 3.8

Hello i have problem to exclude the sidebar from cache, i follow more tutorial but nothing works! i have added on wp-config.php:
define(‘W3TC_DYNAMIC_SECURITY’, ‘my_string’);
on minify setting > html & xml > ignored comment stems i have added mfunc
i have wp 3.8

I need to have the woocommerce cart widget, twitter and facebook widget not cached!

here is mt check:

Server Modules & Resources:

Plugin Version: 0.9.3
PHP Version: 5.3.27;
Web Server: Apache
FTP functions: Installed (required for Self-hosted (FTP) CDN support)
Multibyte String support: Installed (required for Rackspace Cloud Files support)
cURL extension: Installed (required for Amazon S3, Amazon CloudFront, Rackspace CloudFiles support)
zlib extension: Installed (required for compression support)
Opcode cache: Not installed
Memcache extension: Not installed
HTML Tidy extension: Installed (required for HTML Tidy minifier suppport)
Mime type detection: Installed (Fileinfo) (required for CDN support)
Hash function: Installed (hash) (required for NetDNA / MaxCDN CDN purge support)
Safe mode: Off
Open basedir: Off
zlib output compression: Off
set_time_limit: Available
mod_deflate: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_env: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_expires: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_headers: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_mime: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_rewrite: Not detected (required for disk enhanced Page Cache and Browser Cache)
mod_setenvif: Not detected (required for disk enhanced Page Cache and Browser Cache)
Additional modules

New Relic
PHP version: Supported
Operating System: Supported
Web Server: Not Supported. Apache 0.0 See NewRelic requirements page.
WordPress Resources

/.htaccess: OK
/wp-content: OK
/wp-content/uploads: OK

Fancy permalinks: /%postname%/
WP_CACHE define: Defined (true)
URL rewrite: Enabled
Network mode: No

http://wordpress.org/plugins/w3-total-cache/