open a command prompt (type cmd into the start menu and right click and run as admin)
then copy and paste 1 line at a time of the **** MSREMOVAL.TXT **** to see were it fails
the r4new fiemware is on here http://www.linfoxdomain.com/nintendo/ds/
anyways as that one is very old i suggest you use ysmenu and retrogamefans updates
not being safe is untrue the update is crc checked before flashing so it's more or less impossible to flash the wrong update
here is the correct update to your card http://www.mediafire.com/file/56vzk3r0jhro..._update_3ds.rar
damn your all young with your 90's games
anyways back to the thread mine was jet set willy on the spectrum even when cheating the game was near impossible to finish, the attic bug made me cry
my original r4 did wear out, it ended up with the contacts wearing thru, you could see the pcb under them
i retinned the contacts with solder and it worked till i gave it away (i doubt retinning is recommended)