I Need help

i have a problem when installing or reinstalling the problem :

this what's appearing for me , on X-terminal

(Reading database ... 35073 files and directories currently installed.)
preparing to replace maemeemo 1.3.0-3 ( using .../maemeemo_1.3.0-3_all.deb ) ...
unpacking replacement maemeemo ...
failed to open connection to "session" message bus: (null)
dpkg: warning - old post-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
failed to open connection to "session" message bus: (null)
dpkg: error processing /var/cache/apt/archives/maemeemo_1.3.0-3_all.deb (--unpack) :
subprocess new post-removal script returned error exit status 1
failed to open connection to "session" message bus: (null)
dpkg: error while cleaning up:
subprocess post-removal script returned error exit status 1
Errors were encountered while processing:
/var/cache/apt/archives/maemeemo_1.3.0-3_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
/home/user #

please help me Guys