Right-click on the attachment in the right side of the claws window. click twice on Open with. The small window will open which shows the command to run. Edit to match whatever pdf viewer you are using.
Joined: 14 Nov 2011 Posts: 28 Location: Austria
Posted: Thu 21 Feb 2013, 14:40 Post_subject:
If not solved by the previous poster's remark, I assume the issue is caused by the double single-quotes '' at the beginning and end of the filename, if I read your post correctly. There should be only one.
You are aware of the available inline pdf-viewer, which works great?