Random Application Errors - Memory could not be "read"

[Guest]

Hi,
I am the systems administrator of a large company.
At least twenty of my users are experiencing random application errors on
Windows XP Professional SP2.
The general format of the error message is as follows:

<application name> - Application Error : The instruction at "<memory
location>" referenced memory at "<memory location>". The memory could not be
"read".

This error is logged in the application event log as event-id 26:
http://www.eventid.net/display.asp?eventid=26&eventno=2271&source=Application Popup&phase=1

The main problem is that the application names and memory locations in the
errors are not limited to one and the same value. Also, the affected
application sometimes terminates abruptly and sometimes doesn't. When I
search the internet for a solution, I find some solutions for specific
applications, but never a general cause/solution. I ran a RAM check, but
found no errors. I've disabled Data Execution Prevention, but no result. I
hope any of you can provide some more insight into this problem. Any
information is welcome.

I have collected a few of the values my users are getting in the errors:
syntax: Application name - Memory location (Application description if known)

NLNotes.exe (IBM Lotus Notes - Attendance)
DCagent.exe - 0x5177a620 (Brainforce/VAI Deployment Center)
svchost.exe - 0x12406250 (Windows services host process)
nds.exe - 0x021b2650
explorer.exe - 0x021b2650 (Windows Explorer)
igfxtray.exe - 0xf2a32650
igfxpers.exe - 0xf2a32650
proquota.exe - 0xf2a32650 (Windows Profile Quota Checker)
hkcmd.exe - 0xf2a32650
..NET BroadcastEventWindow.1.0.5000.0.3 - vpxclient.exe - 0x7c91103c -
0x2d0d2808 (VMware Virtual Infrastructure Client)

 

[aldin5]

Do you have identical RAM memory moduls in this computers? and are
they work on the same speed? I think it is up to memory, try another
memory moduls.

 

[Guest]

All pc's are standard configurations by IBM.
Memcheck has reported no errors.
Other threads on this error have reported that the physical memory is not
the problem. I don't know on what they base this conclusion.

 

[Guest]

After a lot of searching on the internet, I am now convinved this is a
software problem.
Every single report of solving such an error mentions either
un-/re-installing an application or applying a patch.

Possible causes are:
1. bad coding by the software manufacturers (they publish a patch to solve
the problem),
2. application incompatibiliy (uninstalling some program is the solution),
3. file corruption (removing some config file which is automatically
recreated solves the problem).

The error possibly occurs because a value is read from/written to memory
that is larger then the expected value (for which space is allocated). The
program is denied access to some part of the memory that wasn't allocated to
it.

I am reporting the error to the manufacterers of the applications crashing.
Hopefully they can provide a patch or more info.

Hugo.