No, the bug was solved. Actually, it occurs if ubuntu-desktop package is not installed from synaptics. The package was removed in my case as I had used the ubuntu-studio-sounds package. Once, the ubuntu-desktop package is re-selected, the installer gives no error.
No, the bug was solved. Actually, it occurs if ubuntu-desktop package is not installed from synaptics. The package was removed in my case as I had used the ubuntu- studio- sounds package. Once, the ubuntu-desktop package is re-selected, the installer gives no error.