How to fix windows XP blue screen crash with error code 0x000000ED

X61 err:
"Umountable volume

0x000000ED (0x8a859030 0xc0000006 ...)"


1. Go to BIOS setup:
SATA: change ATA to generic


2. Use windows XP installltion CD to boot up,  choose fix


And under C:\ prompt
input
chkdsk -r


And then reboot, input F8, get into safe mode
and remove any culprits 
and  install anti-virus software.