Not a red herring, but a moby dick,it seems to me.
I try to summarize.
OS: 1.55 NAND, Keepnote on fat32 SD in right Slot: running, error in pnd.out without meaning
OS: 1.62 SD in Left Slot, Keepnote on fat 32 SD in right Slot, not running, importerror libpython 2.6
OS: 1.71 SD left Slot...