installer crashes.says something about certain packages arent being installec

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.

Exception during installation:
Dec 15 18:53:19 ubuntu /plugininstall.py: Traceback (most recent call last):
Dec 15 18:53:19 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1780, in <module>
Dec 15 18:53:19 ubuntu /plugininstall.py: install.run()
Dec 15 18:53:19 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Dec 15 18:53:19 ubuntu /plugininstall.py: func(self)
Dec 15 18:53:19 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 306, in run
Dec 15 18:53:19 ubuntu /plugininstall.py: self.db.progress('SET', self.count)
Dec 15 18:53:19 ubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/debconf.py", line 62, in <lambda>
Dec 15 18:53:19 ubuntu /plugininstall.py: lambda *args, **kw: self.command(command, *args, **kw))
Dec 15 18:53:19 ubuntu /plugininstall.py: File "/usr/lib/python3/dist-packages/debconf.py", line 67, in command
Dec 15 18:53:19 ubuntu /plugininstall.py: self.write.flush()
Dec 15 18:53:19 ubuntu /plugininstall.py: BrokenPipeError: [Errno 32] Broken pipe
Dec 15 18:53:19 ubuntu /plugininstall.py:

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version. If you test it and it is still an issue, kindly upload the updated logs by running only once:
apport-collect 1261200

and any other logs that are relevant for this particular issue.

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1152399, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.