[Cannot run chkdsk -'CHKDSK is not available for RAW drives']

hi i am facing problem to run scan disk chkdsk or can't even run scan command it's shows this error

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\COMP10>chkdsk /r
The type of the file system is RAW.
Cannot lock current drive.
CHKDSK is not available for RAW drives.
i post here in malware infection may be it's infected from a virus
and i recieve error msg when when windows windows logon appear msg is
winlogon.exe corrupt file.
the file or directory
\windows\debug\usermode\userenv.log is corrupt
unreadable. please run the chkdsk utility.
can't downlaod ddr file to post log

 

Yeah, that does not look good. You might check out Hard Drive Diagnostics and download the diagnostics for your drive and run that.