Interesting. This does seem to show an issue with RAR / cbr files. What is the build info from Settings | Device Info? (ie 2.8.1 followed by a long string of characters and a date).
Can you convert the cbr to a cbz? I just opened the fils in WinZip and saved as a zip file.
http://www.advogato.org/person/AlanH...html?start=363 looks to have a script that might help.