Autoexec.nt file being deleted

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Guest

Has anyone ever come across a problem with the Autoexec.nt file being deleted
on boot up? I'm working on a Windows 2000 sp4 system that has a shortcut to
a 16-bit application on our server. When they try to run the application, a
message is displayed that C:\Winnt\System32\autoexec.nt is not suitable for
running MS-DOS and Microsoft Windows applications. Choose 'Close' to
terminate or 'Ignore'. I searched on this site earlier and saw a post that
on XP someone found a program called WINDUPDATE.EXE which was deleting the
autoexec.nt file on boot up. I did not find this file or a Windupdate folder
under C:\Program Files on the system anywhere. I've run Spybot, Ad-aware,
Stinger, checked the registry, cleaned up temp & internet temp files. Is
this caused by a virus? Any help would be greatly appreciated. Please advise
if more information is needed.
 
AUTOEXEC.NT Fix Method 1:
copy; %windir%\repair\autoexec.nt
to
%windir%\system32


AUTOEXEC.NT FIX Method 2:
Go to; Start --> Run
enter; cmd.exe

{ assuming the Win2K CDROM disk is in drive "D:" }
In the Command Prompt enter...
expand D:\i386\autoexec.nt_ %windir%\system32\autoexec.nt


Since there are many forms of malware that can cause a problem with AUTOEXEC.NT, please
perform the following...


1) Download the following three items...

Trend Sysclean Package
http://www.trendmicro.com/download/dcs.asp

Latest Trend Pattern File.
http://www.trendmicro.com/download/pattern.asp

Adaware SE (free personal version v1.05)
http://www.lavasoftusa.com/

Create a directory.
On drive "C:\"
(e.g., "c:\New Folder")
or the desktop
(e.g., "C:\Documents and Settings\lipman\Desktop\New Folder")

Download Sysclean.com and place it in that directory.
Download the Trend Pattern File by obtaining the ZIP file.
For example; lpt345.zip

Extract the contents of the ZIP file and place the contents in the same directory as
sysclean.com.

2) Update Adaware with the latest definitions.
3) Disable System Restore
http://vil.nai.com/vil/SystemHelpDocs/DisableSysRestore.htm
4) Reboot your PC into Safe Mode
5) Using both the Trend Sysclean utility and Adaware, perform a Full Scan of your
platform and clean/delete any infectors/parasites found.
(a few cycles may be needed)
6) Restart your PC and perform a "final" Full Scan of your platform using both the
Trend Sysclean utility and Adaware
7) Re-enable System Restore and re-apply any System Restore preferences,
(e.g. HD space to use suggested 400 ~ 600MB),
8) Reboot your PC.
9) Create a new Restore point



* * * Please report your results ! * * *




--
Dave




| Has anyone ever come across a problem with the Autoexec.nt file being deleted
| on boot up? I'm working on a Windows 2000 sp4 system that has a shortcut to
| a 16-bit application on our server. When they try to run the application, a
| message is displayed that C:\Winnt\System32\autoexec.nt is not suitable for
| running MS-DOS and Microsoft Windows applications. Choose 'Close' to
| terminate or 'Ignore'. I searched on this site earlier and saw a post that
| on XP someone found a program called WINDUPDATE.EXE which was deleting the
| autoexec.nt file on boot up. I did not find this file or a Windupdate folder
| under C:\Program Files on the system anywhere. I've run Spybot, Ad-aware,
| Stinger, checked the registry, cleaned up temp & internet temp files. Is
| this caused by a virus? Any help would be greatly appreciated. Please advise
| if more information is needed.
 
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