apt-get install -f fail, please help
Dear linux users:
I meet following origin Signature check failed . problem
when I use apt-get install -f
Calling dpkg with the following arguments...
Authenticating /var/cache/apt/archives/gnome-libs-data_1.4.2-8_all.deb ...
debsig: Origin Signature check failed. This deb might not be signed.
dpkg: error processing
Verification on package
Errors were encountered while processing:
Sub-process /usr/bin/dpkg returned an error code (1)
E: Sub-process /usr/bin/dpkg returned an error code (1)
welcome any hints
highly apprecaite your time and help