[Bug 1766978] Re: The installer stop at the Update and Other software screen when Windows is installed

[Júlio César Alves]

I have this problem and the workaround (unmount and mount the Windows
boot partition several times) didn't work. I've tried Ubuntu 18.04 LTS
and Ubuntu 20.04 LTS Beta.

I've already tried minimal install with no updates, but the installer
keeps stopping.

I'm using a HP Pavilion laptop, with Windows 10 (UEFI and SecureBoot
Enabled).

Is there any other possible workaround?

PS: I'm not sure if this is the right place to post this question, but I
can't find any solution in other sites.

Thanks in advance.

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https://bugs.launchpad.net/bugs/1766978

Title:
  The installer stop at the Update and Other software screen  when
  Windows is installed

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  When you try to install Ubuntu on the same Windows disk, Ubiquity is stopped on the Updates and other Software screen.
  So far the solution is to open the GNOME Disks application, and unmount and mount the Windows boot partition several times.
  When rebooting the installer displays a message that partitions are mounted and if you want Ubiquity to unmount them. When answering Yes, the installation continues.

  This does not happen with other distributions, For example KDE NEON
  (Calamares Installer) or Fedora (Anaconda installer)

  This happens whenever there is a dedicated Windows partition on the
  main disk, even if one tries to install Ubuntu on an external disk
  where there is no other distribution.

  This is how the partitions of my disks are distributed at the time of
  the report

  
  Disk /dev/sda: 465.8 GiB, 500103634432 bytes, 976764911 sectors
  Units: sectors of 1 * 512 = 512 bytes
  Sector size (logical/physical): 512 bytes / 512 bytes
  I/O size (minimum/optimal): 512 bytes / 512 bytes
  Disklabel type: dos
  Disk identifier: 0x6fdda5e8

  Device     Boot     Start       End   Sectors   Size Id Type
  /dev/sda1  *         2048 521261554 521259507 248.6G  7 HPFS/NTFS/exFAT
  /dev/sda2       521263104 522239999    976896   477M 27 Hidden NTFS WinRE
  /dev/sda3       522242048 974716657 452474610 215.8G 83 Linux
  /dev/sda4       974716928 976762879   2045952   999M 82 Linux swap / Solaris

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.11
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.393
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Apr 25 20:34:18 2018
  InstallCmdLine: initrd=/ubninit file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash --- BOOT_IMAGE=/ubnkern
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180425)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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