its not help me not that : dpkg-i and apt-get install preenv
its show me dpkg-i : not found
and when i wrote apt-get install preenv its show me : E: could not open lock file var / lib / dpkg / lock -open (13 permission denied)
E: unable to lock the administration directory (var / lib / dpkg /) , are you root ?

and when i wrote
root
apt-get install preenv
its show me :
E: could not get lock var / lib / dpkg / lock -open (11 resource temporarily unavailable)
E: unable to lock the administration directory ( / var / lib / dpkg / ), is another process using it ?

and all the application catalog in application manager is able :
nokia application
nokia system software update
ovi
maemo.org
extras-testing
extras-devel
maemo extras

someone help me please with that