Replacing libical1 with libical1a: # apt-get install tde-trinity tdeaddons-trinity kaddressbook-plugins-trinity kaddressbook-trinity libical1a libical1a is already the newest version. libical1a set to manually installed. Some packages could not be installed. [...] The following packages have unmet dependencies: kaddressbook-trinity : Depends: libical1 (>= 1.0) but it is not installable On 01/15/15 15:02, Mike Bird wrote: > What happens if you try to install libical1a instead of libical1 > with your apt-get command?