Hi,
the update manager displayes an error:
Code
Reading package lists...
Building dependency tree...
Reading state information...
Recommended packages:
libpulse0 libsdl-ttf2.0-0 dkms pdf-viewer
The following packages will be upgraded:
virtualbox-4.3
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 70.4 MB of archives.
After this operation, 221 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
virtualbox-4.3
Authentication warning overridden.
Err http://download.virtualbox.org/virtualbox/debian/ squeeze/contrib virtualbox-4.3 amd64 4.3.10-92957~Debian~squeeze
404 Not found
Failed to fetch http://download.virtualbox.org/virtualbox/debian/pool/contrib/v/virtualbox-4.3/virtualbox-4.3_4.3.10-92957~Debian~squeeze_amd64.deb 404 Not found
Fertig ...
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Please fix it; thank You and many greetings!