Error while application installation and creating a new user

Hi

I am getting 500:internal server error while creating a new user.

http://mediacrush.net/NcJ9g_-82ATv

And when I try to install a new application I get 502 bad gateway error.

http://mediacrush.net/et9sDyg7B0iJ

Help me out.

thanks.

13 posts were split to a new topic: Webadmin error 500 while creating new user with accents in name