A fork of the Comix project (mentioned here in forums).... a user-friendly, customizable image viewer. It is specifically designed to handle comic books (both Western comics and manga) and supports a variety of container formats (including CBR, CBZ, CB7, CBT, LHA and PDF). It is written in Python using GTK+ through the PyGTK bindings, and runs on both Linux and Windows.
Steps: Download the "all-in-one" zip file and extract. Launch MComix.exe
Status: Not portable, Writes to the user folder: C:\Users\USERNAME\MComix
Doesn't work with password-protected files.