fixed 100% disk IO in windows

fixed 100% disk IO in windows.

1) C:\WINDOWS\system32>chkdsk.exe /f /r
The type of the file system is NTFS.
Cannot lock current drive.

Chkdsk cannot run because the volume is in use by another
process.  Would you like to schedule this volume to be
checked the next time the system restarts? (Y/N) y

This volume will be checked the next time the system restarts.

2) C:\WINDOWS\system32>net.exe stop superfetch
The Superfetch service is stopping.
The Superfetch service was stopped successfully.