yet another one homebrew that can fix the bugs for 5.00 m33.. here is the link and instruction..

PSX problems in 5.00 M33
This is a bug in M33 code that is caused sometimes with certain icons.
I’m not gonna bother do an update only for this but I’ll post the file that fixes this for anyone wanting to fix it manually replacing the file.
This also fixes document.dat not working.

Instruction:
Flash the files in your KD folder in flash0.

Mirror1: RS
Mirror2: Megaupload

Link: http://dark-alex.org/forum/viewtopic.php?f=44&t=1541