Caty, i saw you added pics of HexCmp. My results, the first is same as yours, but Find Again is different to your lower result:

sk49

peqb

I get this garbage in every search. Maybe my 610 fw file is corrupted too?:

XBLKS �!ƒ1B…Rc‡s„‰”
¥‹µ Æ�Öç�÷ ‰#›2$F*W6e¿tHŒÁ�Z¯Ó¾lÊåÛ~é÷ø flush_map> flushing %u map pages, lock %u, gen %u to page %u, sver %u ? Ì *s 575- ÿ ÿ ÿ + €  @  @ "  )  -  À   H F ÿ à� ÿ ( ÿ +


Off to find a tree now.....