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Scanner problem: stimon.exe page fault

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8 replies

by pasi.sakkinen

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I bought Agfa Snapscan e20 (USB)scanner but I can't use it because everytime I try to scan I get the following errormessage: "STIMON caused an invalid page fault in module STIMON.EXE at 017f:00407e9a". Windows (98SE) shows the scanner in Device Manager and says there is nothing wrong.
I tried updating the drivers and even reinstalling Windows but nothing helped. I also tried to run stimon.exe manually (which is suggested on many pages about stimon.exe related problems) but it didn't help either. If someone could even tell me what might be the source of the problem (deviceconflicts?) I would appreciate it. I know what stimon.exe is and what it does, no need to explain that part (that is usually the only answer one gets when asking about stimon.exe problems).

8 replies

by ann777

Try this:

Step 1: Rename the Stimon.exe File
Unplug all USB devices.

Insert a Windows 98 Startup disk into your computer, and then start the computer to a command prompt.

At the command prompt, type C: , and then press ENTER.

TypeCD\Windows\System , and then press ENTER.

Type Rename Stimon.exe Stimon.old , and then press ENTER.

Remove the Windows Startup disk.

by ann777

Step 2: Start Windows in Safe Mode and Remove the Registry Entry

WARNING : Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
Note that you should back up the registry before you edit it.

Restart the computer. When the Power On Self Test (POST) is completed, press and hold down the CTRL key.

The Windows 98 Startup menu appears.

Use the ARROW keys to select Safe mode , and then press ENTER.

Click OK on the Safe Mode message that appears.

Click Start , and then click Run .

In the Open box, type regedit , and then click OK .

In Registry Editor, expand the following registry subkey:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

If StillImageMonitor does not appear in the Name list in the right pane of the Registry Editor window, expand the following registry subkey:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
On the Registry menu, click Export Registry File .

In the Export Registry File dialog box, type Run Key in the File name box, and then click Save .

The selected key is saved.

In the right pane of the Registry Editor window, right-click StillImageMonitor , and then click Delete on the shortcut menu that appears.

On the Confirm Value Delete message that appears, click Yes .

Quit Registry Editor, and then restart the computer normally.

by ann777

Step 3: Reinstall the Imaging Device
Follow the manufacturer's instructions to reinstall the USB imaging device. This replaces the registry entries and reinstalls the Still Image Monitor files.

by ann777

IF THE ABOVE THREE STEPS FAILS TO RESOLVE THIS... then I suggest that you look for other resource intensive devices that are sharing the same IRQ. Not all conflicts appear in device manager. Some conflicts do not show up until you try to use the resource (in your case, the USB scanner). That's because the other device(s) on the same IRQ has grabbed too much of the resource and has not left enough for the scanner to be recognized or work properly. Move one of the devices to another IRQ.

by still_learning

I was getting a similar problem with a Visioneer USB scanner. I was able to resolve it by uninstalling the Scanner/Scanner Software, rebooting and reinstalling the software. Do not connect the scanner until the software is installed (or when the installation instructions tell you to connect it). Hope this helps.

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