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'[OT]:: "Access is denied" - XP Pro / DOS woes'
2012\05\28@010318 by RussellMc

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Win XP Pro:   "MSDOS" suddenly reports "Access is denied" on many
commend line DOS functions.
Equivalent Windows capabilitynot affeted.
Any ideas.

Detail:
________________


I use MSDOS (or XP Pro compatability box or whatever) as a significant
part of my PC activities. There are numerous things ssthaty can be
done faster and/or better on the command line than in Windows proper
and mixing and matching as trequired is the norm. As will be the case
for various other dinosaurs here :-).

My DOS has suddenly decided to prevent access to a number of previous
capabilities and to return an "access denied" message instead.


eg type fred.jpg + return at DOS prompt -> opens fred.jpg in file viewer.
type jim.doc + enter -> run jim.doc in WinWord

Start trev -> opens foilder TREV in Windows Explorer.

start WORDPAD -> starts WORDPAD (funny that)

and more.
All now get "access denied" messages.

________________________

I've checked what's said on web by many.
I'm running as supervisor.
Creating a new supervisor account does not help
Windows Firewall off.
Comodo security suite (recently installed, prime suspect) allegedly
OFF.(select program exit, icon vanishes)

No other known security software running.

More.

Doing things like Explorer-Properties-security-permissions-select
user- full control- advanced-various permissions stuff...
works not.

Haven't tried the somewhat suspect "Use REGEDIT32 to ..." yet.
Have not done system repair.

Recent install Comodo security suite (as above).
Recent install DxO Optics Pro 7 64 bit.

Small Windows LAN

Any clues?



  Russel

2012\05\28@014136 by Roger, in Bangkok

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system restore ... previous to last patch installs?

RiB

On Mon, May 28, 2012 at 12:02 PM, RussellMc <spam_OUTapptechnzTakeThisOuTspamgmail.com> wrote:

{Quote hidden}

>

2012\05\28@015950 by Peter

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Hi Russell:
Diagnostics over email could be difficult, but anyway...here is my 2cents.
I have computing background, and had similar awhile back, I don't recall what the fix was (may not be the same anyway).
However, I'm sure you would have tried a complete restart of the computer.
Sometimes to start troubleshooting, try something known and simple like;

Try this: DOS box: type> ipconfig  then enter (you should get IP, of ones own machine)
then, type> ping  [ip of own machine..see below] then enter.

Response received should be like shown below where xxx are numbers for your network.

C:\(at prompt type)>ipconfig
Should see
        IP Address. . . . . . . . . . . . : xxx.xxx.xxx.xxx
        Subnet Mask . . . . . . . . . . . : xxx.xxx.xxx.xxx
        Default Gateway . . . . . . . . . : xxx.xxx.xxx.xxx

Now ping the IP address shown of your local machine

C:\(at prompt type)>ping xxx.xxx.xxx.xxx

Pinging xxx.xxx.xxx.xxx with 32 bytes of data:
Reply from xxx.xxx.xxx.xxx: bytes=32 time<1ms TTL=128
Reply from xxx.xxx.xxx.xxx: bytes=32 time<1ms TTL=128
Reply from xxx.xxx.xxx.xxx: bytes=32 time<1ms TTL=128
Reply from xxx.xxx.xxx.xxx: bytes=32 time<1ms TTL=128
Ping statistics for xxx.xxx.xxx.xxx:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms

Did this work?

I don't he any experience with Comodo security, but I do have lots of DOS aka CMD console window as well as regedit32 experience.
Sometimes antivirus programs do dumb things.

Do other DOS-commands work?

Can you open notepad from a CMD window

C:\(at prompt type)>start notepad
Did this work?

Let us know the outcome.

Peter
------------------------------------------------------------------------
On 28/05/2012 3:02 PM, RussellMc wrote:
{Quote hidden}

-----------------------------------------------------------------------

2012\05\28@052804 by cdb

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First check that you can still see the file or program in your file manager if the actual file or program is not showing or is showing as hidden, somehow the hidden and system flags could have been activated (how to puzzle people, go to a command line and type attrib +S +h *.* the PC will never boot again. Magic!).

Check if your PC has suddenly changed it's network name, that is press WIN_BUTTON + PAUSE/BREAK if the computer name hasn't changed then select one recalcitrant file, right click select properties, then select the security tab, from here click on ADVANCED.
From the PERMISSIONS tab select CHANGE PERMISSIONS, click on your user name and ensure the 'inherit permissions etc' is ticked, click on the ADD button make sure your user name has appeared and the OK out of the dialogue boxes. This can be performed per file or per directory or drive if needs be.

Then check to make sure no nasty virii have infiltrated your system. Delete any restore points you might have as many nasties hide here as they are often immune to AV software in this special system folder.

Colin
--
cdb, .....colinKILLspamspam@spam@btech-online.co.uk on 28/05/2012
Web presence: http://www.btech-online.co.uk   Hosted by:  http://www.justhost.com.au
 This email is to be considered private if addressed to a named  individual or Personnel Department, and public if addressed to a blog,  forum or news article.

2012\05\28@063342 by Isaac Marino Bavaresco

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Windows XP has two command interpreters (shells): "command.com" and
"cmd.exe"

command.com is really a DOS application and runs in DOS compatibility mode.
cmd.exe is indeed a Windows XP 32-bit application and serves the same task.

The first cannot do a lot of thing that the second can. Perhaps you are
using the wrong one?


Isaac


Em 28/5/2012 02:02, RussellMc escreveu:
{Quote hidden}

>    Russell

2012\05\28@084049 by RussellMc

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Colin

Thanks for the advice.
Alas, I've tried all that already :-( - but learned a few more thnigs
alongh the way.
And Windows_key-PauseBreak was new to me - I've always done it the
hard way. Useful, thanks.

Isaac -

Yes, I'm using CMD.EXE.
Interestingly, I just tried commamd .com (a long ago old friend) as as
you say, it used to have SOME functionality in XP, and now it opens a
WIndow / DOS box but does utterly nothing except allow you you close
it by mouse click.

Restore points - Comodo has allegedly been making these on and off of
late BUT on looking I have but 2 and only a few days old.
I do save full registry dumps occasionally and if needs must will try
reverting to an earlier one.


         Russell


I'll ask another question in another email.


  Russell.



On 28 May 2012 21:27, cdb <colinspamKILLspambtech-online.co.uk> wrote:
{Quote hidden}

>

2012\05\28@090547 by RussellMc

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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 upgrade)
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 barre

2012\05\28@092235 by Carl Denk

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Start > Run >Command. Dir works, entering "Edit" brought up MS-DOS
editor, and was able to open text (log) file from there. But "Ipconfig"
works And this is XP PRO SP3, Dual core 3.0g Pentium D 930 Presler,
which is 32 bit, not 64 bit!

Same comment for CMD, except a different editor, but looks the same.

And note ifconfig is a Linux equivalent of ipconfig. I get them mixed up
too.

On 5/28/2012 8:40 AM, RussellMc wrote:
{Quote hidden}

>> -

2012\05\28@102148 by RussellMc

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OK!
Running again.
Rolled back to prior to DxO Optics install.
May not be what caused the problem.
TBD at some future date.

Tried command.com again.
At first black screen of DOS with no text
After perhaps 20+ seconds of playing Comodo Firewall announced a
trapped call and allowing that gave DOs functionality.
A few calls that had not worked in CMD before workd here - but CMD is
also working now so I don't know if it would have helped me at all.
Onwards. ....
Hopefully

Thanks for input.


            Russel

2012\05\28@114835 by Joe Wronski

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On 5/28/2012 8:40 AM, RussellMc wrote:

> Yes, I'm using CMD.EXE.
> Interestingly, I just tried commamd .com (a long ago old friend) as as
> you say, it used to have SOME functionality in XP, and now it opens a
> WIndow / DOS box but does utterly nothing except allow you you close
> it by mouse click.

Interesting.  I think that behavior is due to that PATH setting, which may be influenced by how you fire up command.com.  I opened up a dos box with a menu shortcut "%SystemRoot%\system32\cmd.exe".  PATH was a very long string which includes all the extra paths I had set in the setting dialog.  Then, from the dos box, I issued command.com, and the PATH variable was truncated to a shorter version.

Joe W

2012\05\28@154123 by Gerhard Fiedler

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RussellMc wrote:

> OK!
> Running again.
> Rolled back to prior to DxO Optics install.
> May not be what caused the problem.
> TBD at some future date.
>
> Tried command.com again.
> At first black screen of DOS with no text
> After perhaps 20+ seconds of playing Comodo Firewall announced a
> trapped call and allowing that gave DOs functionality.
> A few calls that had not worked in CMD before workd here - but CMD is
> also working now so I don't know if it would have helped me at all.
> Onwards. ....
> Hopefully

Glad you're running again.

FWIW, forget command.com. There's a reason why the "standard" shell on
WinXP is cmd.exe. Unless you /really/ know what you're doing (and why),
don't use command.com and just use cmd.exe. (Which is probably what
you've been doing all along... :)
I'm running lots of strange programs, and spend a lot of time in various
shells, but I have never found a need to run command.com on the Win2k
family.

Gerhar

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