Indead:
1. The dependencies are unsatisfied/broken (this is the case which you described originally)
2. The installation of package failed and is incomplete
3. The "binary" cache which gets build from the dpkg status and the Package lists from the repositories is damaged.
Indead:
1. The dependencies are unsatisfied/broken (this is the case which you described originally)
2. The installation of package failed and is incomplete
3. The "binary" cache which gets build from the dpkg status and the Package lists from the repositories is damaged.