6 Feb
2010
6 Feb
'10
10:47 p.m.
another possibility is that pdf's have somehow become unassociated with evince. Right click on your 'pdf' file and select properties, make sure it is actually a pdf file, go to 'open with' and make sure that it's trying to open it with evince.
Just checking here, in Debian (and presumably Ubuntu) the correct program is called "Document Viewer" -- the icon for it is the letter 'e' drawn in a similar style to Acrobat's letter A logo.