This looks like bug 894768 again, which was supposedly fixed a week or two ago. Was the iso you used the latest daily iso build? If it was, please mark this as a duplicate of that report and post your bug number in the report of bug 894768 saying that you're still experiencing the problem.
Exception during installation: Dec 15 15:29:47 ubuntu install.py: Traceback (most recent call last): Dec 15 15:29:47 ubuntu install.py: File "/usr/share/ubiquity/install.py", line 656, in <module> Dec 15 15:29:47 ubuntu install.py: install.run() Dec 15 15:29:47 ubuntu install.py: File "/usr/share/ubiquity/install.py", line 130, in run Dec 15 15:29:47 ubuntu install.py: self.copy_all() Dec 15 15:29:47 ubuntu install.py: File "/usr/share/ubiquity/install.py", line 423, in copy_all Dec 15 15:29:47 ubuntu install.py: install_misc.copy_file(self.db, sourcepath, targetpath, md5_check) Dec 15 15:29:47 ubuntu install.py: File "/usr/lib/ubiquity/ubiquity/install_misc.py", line 627, in copy_file Dec 15 15:29:47 ubuntu install.py: targetfh.close() Dec 15 15:29:47 ubuntu install.py: IOError: [Errno 22] Invalid argument -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/904807 Title: *Virtualbox* Ubiquity crashed at the beginning of the installation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/904807/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
