This is a follow up to my earlier question, Corrupted TeXLive2012 installation? (Option clash for currfile). Refer to that question for the history. With an "updated" TeXLive2012, I am now getting: ...
I'm trying to compile a document that only works with an up-to-date distribution, so I'd like to know: how do I update my distribution? Please provide screenshots where appropriate. List of answers ...