[Bug 1767631] [NEW] la instalaci'on de GRUB ha fallado no se pudo instalar el paquete "grub/ efi/amd64/signed"

Public bug reported: Dentro del proceso de instalacion de ubuntu 18.04 salt'o el error que describo en el summary ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubiquity 18.04.14 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion:

[Bug 1768030] [NEW] the installation process of ubuntu 18.04 can t install grub

*** This bug is a duplicate of bug 1767703 *** https://bugs.launchpad.net/bugs/1767703 Public bug reported: grub does not install in the installation process of ubuntu 18.04 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubiquity 18.04.14 ProcVersionSignature: Ubuntu 4.15.0-20.21-gene