Please report this bug against the 'update-manager' package and include the following error message: E:Malformed line 58 in source list /etc/apt/sources.list (dist parse)

[brian]

I tried to update R by adding a source per the CRAN website instructions for unbuntu. I am also using RStudio.

[Brian Murray (brian-murray)]

Thank you for taking the time to report this issue and helping to make Ubuntu better. Examining the information you have given us, this does not appear to be a bug report so we are closing it and converting it to a question in the support tracker. We understand the difficulties you are facing, but it is better to raise problems you are having in the support tracker at https://answers.launchpad.net/ubuntu if you are uncertain if they are bugs. You can also find help posting your problem in the support forum of your local Ubuntu's community http://loco.ubuntu.com/ or asking at http://askubuntu.com. For help on reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.