Windows Image Acquisition

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TVEngineer

2 computers, Windows XPSP3 updated except for today's security releases -
clean of malware and virus infections - suddenly, cannot start windows image
acquisition (required for Canon camera access library 8). Hangs on
'starting' and then fails with error 1067: the process terminated
unexpectedly. On boot, the error - 'the instruction at 0x00c896bc
referenced memory at 0x00000000. The memory could not be written' appears
which, I believe, is related to this problem.

How do I get it working again?

TIA,
Eric
 
Why don't you uninstall the update(s) one at a time and see if that resolves
it, and if not, possibly consider using System Restore.

Didn't you already post this?
 
No updates have been installed, to my knowledge, since the last time it
worked correctly (6/25/09)

Tried system restore, but it did not help.

Yes, posted in Help_and_support, but no responses.

Eric
 
I'm assuming you couldn't find a restore point THAT far back then (otherwise
I expect it would have worked).

So I guess the next step is to carefully think back to what you may have
installed or changed since then which could have led to this result -
presumably something that uses those services related to the camera
software. Maybe you could selectively uninstall and reinstall that
software.
 
I did not install any new software on either computer - no new hardware
either. As I understand this, it is controlled by the driver for the
camera, which I did not change. If it occurred on one computer I could
possibly understand it - a corrupted driver, but on two at the same time???
 
TVEngineer said:
I did not install any new software on either computer - no new hardware
either. As I understand this, it is controlled by the driver for the
camera, which I did not change. If it occurred on one computer I could
possibly understand it - a corrupted driver, but on two at the same time???
Click to expand...

Right now, you probably aren't even getting far enough to use this.

http://support.microsoft.com/kb/307001

That article covers how to bump up the logging activity from WIA.
It also shows the start and stop commands for the service.

net stop stisvc
net start stisvc

Chances are, something is preventing it from starting.

If I look in my Wiadebug.log file right now, it contains two whole lines.
I presume this means my service started OK. (I removed a bit of punctuation,
to make it easier to read.)

******
Start 'wiaservc.dll' Debug - Time: 2009/07/15 16:44:52:828
StiServiceMain entered, Time: 2009/07/15 16:44:52:828
*******

If I open a Command window, and type

tasklist /svc

I can see one of the svchost entries provides a home for it alone.

SVCHOST 743 stisvc

So it is running right now on my machine. Possibly as a result
of using it in the past. Currently, I have no image devices
connected.

I've done Windows Update for this month, and am patched up to date.

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

I just tried plugging in a webcam and acquiring a still picture in Photoshop
editor, and the log file appears to get flushed each time WIA is accessed.
So the original two lines above disappear, to be replaced by any errors
thrown while using WIA. I did manage to capture a small image from the
webcam in Photoshop, but the log file still recorded a sequence of errors.
The webcam is supposed to be UVC class, so shouldn't need drivers to
get this far.

Paul
 
You're right, I can not get far enough to see a log file. Only software
that I can think of that might have updated on both computers would be Apple
for itunes.

Still, no luck tracking problem.

Eric
 
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