I keep getting this error message when i tried installing UBUNTU 18.04...installer crashed..please fix.does it have something with upgrading ubiquity?...am already confused
1 Answers
Check out Ubuntu 18.04 Installer crashes on Dell XPS 15 9560. To summarize: You are experiencing Bug #1751252.
There are two options to fix this:
Option 1: Install a newer fixed version of ubiquity
Boot your 18.04 Live ISO Select Try Ubuntu Before you start the Ubiquity installer, open a Terminal window (CTRL-ALT-T) Execute the following commands in the terminal to upgrade Ubiquity:
sudo apt update
sudo apt install ubiquity
Then start Ubiquity from the desktop.
Option 2: Apply a patch to ubiquity
Boot your 18.04 Live ISO Select Try Ubuntu Before you start the Ubiquity installer, open a Terminal window (CTRL-ALT-T) Execute the following commands in the Terminal to download and apply the patch:
cd ~/Downloads
wget https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056/+preview-diff/831305/+files/preview.diff --output-document ubiquity.patch
sudo cp /usr/lib/ubiquity/ubiquity/misc.py /usr/lib/ubiquity/ubiquity/misc.py.original
sudo patch /usr/lib/ubiquity/ubiquity/misc.py ubiquity.patch
Start the installer by clicking on the Ubiquity icon, and it should now allow you to proceed through the installation.
Note: this is just an edited version of the first answer from the link I gave.
Check out the link for more answers

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sudo apt update gives errors.....for option 2 i didnt get it...am i to type wget https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056/+preview-diff/831305/+files/preview.diff --output-document ubiquity.patch in the terminal after cd~/ Download – GENESIS Jun 13 '19 at 13:53
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What errors does sudo apt update give? It shouldn’t be giving any... – gsb Jun 13 '19 at 13:57
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ok it worked now...please what next..it also said 434 packages can be upgraded – GENESIS Jun 13 '19 at 14:00
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sudo apt install ubiquity – gsb Jun 13 '19 at 14:01
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0 upgraded , 0 newly installed, 0 to remove and 434 not upgraded – GENESIS Jun 13 '19 at 14:02
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Then try Option 2 (the patch) – gsb Jun 13 '19 at 14:04
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after i cd~/ Download...what next? am i to type this "wget https://code.launchpad.net/~azzar1/ubiquity/+git/ubiquity/+merge/345056/+preview-diff/831305/+files/preview.diff --output-document ubiquity.patch" – GENESIS Jun 13 '19 at 14:05
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Yes, type that command – gsb Jun 13 '19 at 14:06
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i will get back to you – GENESIS Jun 13 '19 at 14:07
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Sure. Just remember to type those commands one by one. If it doesn’t work, shut down and reboot the computer – gsb Jun 13 '19 at 14:09
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Otherwise, try the other answers on the given link. If all that doesn’t work, make a new installation media – gsb Jun 13 '19 at 14:12
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error 404 not found when i type it – GENESIS Jun 13 '19 at 14:15
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cannot write to ubiquity.patch – GENESIS Jun 13 '19 at 14:17
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So the file is missing. Try other answers on link or recreate installation media – gsb Jun 13 '19 at 14:23
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Hold on the link works for me... connect to WiFi I believe that’s your issue – gsb Jun 13 '19 at 18:35