64 bit?

This PC is running a 3.2 GHz dual core Pentium D processor.

A few days ago I downloaded DxO Optics Pro version 7.x software (free upgra=
de)
This purports to be 64 bit and ll neweer and gancier and shining.
I had my doubts about Pentium D and 64 bit but decided that DxO are
real enough that the software would tell me if it did not like the
CPU. This may have been an unwise decision :-).

The software SEEMS to run well  with nor problems.
Casting a wide net, does this sound to anyone as a possible reason for
the system to have changed into a mode where it does not like eg 16
bit apps - which I think older DOS commands etc are or were.

OK

COPY
MOVE
DIR


Access is denied:


xxxxx.jpg

grep - Borland version from long ago

IPCONFIG
QBASIC
SR.EXE :-) - long time since last use
XXCOPY  :-(

Irfanviews_plugins ..... .EXE
IView427_setup.exe

Random selection of *.exe from \WINDOWS\SYSTEM32

>From c:\WINDOWS
notepad.exe
regedit.exe


BUT most of the above can be run via START_key \ RUN \ command_name
ie it's the DOS box level access that is barred
--=20
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