wireless error-config.parsingerror
 

Hi
I was trying to connect a wireless and after entering the password ubuntu deleted the network and logged off.
After restarting I couldnt access to desktop again.
the error message on console is smthng like that
config.prasingerror etc/wireless tools
and asking user name bla bla and ctl d for maintenance
never goes to desktop or hardware

If anybody understood my english and pretty bad explanation please helpç
thanks in advance