If you normally launch Jalview with a local JNLP file (such as one you created to customise Jalview's memory settings), then you will find that Jalview 2.8.2 cannot export images.
To fix, simply download a new customised JNLP file via the following URL:
(change 1G to your desired memory settings - in either M or G)
We will be holding a one-day Jalview hands-on workshop on Monday 15th December 2014 at University College London, hosted by the Orengo Group. The course will be held in IT Suite B29 in Foster Court (click for map), which is in University College London's Bloomsbury Campus.
Registration costs £15 for students and £25 for everyone else.
Sign up for the workshop at the Dundee eShop. The registration deadline has been extended to 4th December 2014.