cant upload media and media tab 404 error

Hi,

I have constant error. Rtmedia upload does not work. Users cant upload any images on activity page.
At profile page media tab shows constant 404 error.

Updating permalinks doesn’t help.
Any ideas?

MY INSTALL INFO

PHP 5.4.39-0+deb7u2
MYSQL 5.5.41
WordPress 4.1.1
BuddyPress 2.2.1
rtMedia 3.7.37
OS Linux
Imagick ImageMagick 6.7.7-10 2014-03-08 Q16 http://www.imagemagick.org
GD 2.0.36
[php.ini] post_max_size 8M
[php.ini] upload_max_filesize 128M
[php.ini] memory_limit 256M
Installed Plugins Advanced Custom Fields: Gallery Field by Elliot Condon version 1.1.1,
Advanced Custom Fields: Repeater Field by Elliot Condon version 1.1.1,
Admin Menu Editor Pro by Janis Elsts version 1.97,
Advanced Custom Fields by Elliot Condon version 4.4.1,
bbPress by The bbPress Community version 2.5.6,
BP | You Are Blocked! by Gabriel S Merovingi version 1.0Beta5,
BuddyPress Activity Privacy by Meg@Info version 1.3.6,
BuddyPress Cover Photo by SeventhQueen version 1.0.5,
rtMedia for WordPress, BuddyPress and bbPress by rtCamp version 3.7.37,
BuddyPress Multilingual by OnTheGoSystems version 1.5,
BuddyPress by The BuddyPress Community version 2.2.1,
Contact Form 7 – Dynamic Text Extension by Chris Mavricos, SevenSpark version 1.2,
Contact Form 7 by Takayuki Miyoshi version 4.1.1,
Cronjob Scheduler by Motocom version 1.0.8,
WPBakery Visual Composer by Michael M – WPBakery.com version 4.3.4,
K Elements by SeventhQueen version 2.4,
Members Import by Manish Kumar Agarwal version 1.1,
Membership Widget Plugin for PSC by Netweavers – Agencja Interaktywna version 1.0,
Nav Menu Roles by Kathy Darling version 1.6.4,
Register Plus Redux by radiok, Tanay Lakhani version 4.1.2,
WPML Multilingual CMS by OnTheGoSystems version 3.1.9.4,
Taxonomy Metadata by mitcho (Michael Yoshitaka Erlewine), sirzooro version 0.4,
Widget Logic by Alan Trewartha version 0.57,
WordPress Importer by wordpressdotorg version 0.6.1,
WP Database Optimizer by Matthew Price version 1.2.1.3,
WP LinkedIn Multi-Users by Claude Vedovini version 1.2,
WP LinkedIn by Claude Vedovini version 1.19,
WP Super Cache by Automattic version 1.4.4,
WordPress Toolbar Editor by Janis Elsts version 1.1,
WPML Sticky Links by OnTheGoSystems version 1.3.9,
WPML String Translation by OnTheGoSystems version 2.1.3