I am having a problem with Scandisk:

1. My Me system runs Scandisk whenever it is restarted, even after Start -
Shut down - Restart or Ctrl-Alt-Del; could that be because I once cancelled
Scandisk before it had finished?

2. I have renamed c:\windows\command\scandisk.exe to scandisk.exe.org but
Scandisk still runs; how can that be?

3. If I let Scandisk run, it does everything including the sector check OK,
then starts the cluster check.  After some time; it fails with the following
message or a variant of it:
Error 06 : 0028 : 00000017
If I press a key, it continues, then fails again:
Error 0E : 0028 : C14E4005 or similar
If I then press a key, it sometimes continues, sometimes hangs.  Once when
it hung, it showed a partial screen-saver; I did Ctrl-Alt-Del and the dialog
showed that the screen-saver was not responding.  I did End task and it
re-started Scandisk.

Any ideas?