I have this issue as well .. same message as above when trying to install gnucash.. if you try to install libgtkhtml3.8-15 you get the following message:
Package libgtkhtml3.8-15 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package libgtkhtml3.8-15 has no installation candidate trying to install libgtkhtml says the package cannot be found.. -- Dependancy problem with installation of gnucash in feisty https://launchpad.net/bugs/96120 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
