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Stimon.Exe/Twain probs for Photoshop 5.5 ,6 & 7

Maybe you can help me...
the following is the duscussion of my problem and things i have done to fix it...
at the bottom is the TWAIN error log that appears in my temp dir along with 1-3 .mtx files...
PLEASE i hope you can one else can!
Hi...ever since installation of a new scanner (CanoScan N650u with twain drivers) ALL of my PS [rograms
freeze on intializing...PS7 even yeilds a twain re-install recommendation error.
Please reply if you have hyad this problem or have an idea..
But do know that i have
1. deleted and re-installed PS with and without the scanner and drivers...(using registry crawler to
clean out any traces0
2. have re- named all the twin twinker files.
Have re-installed Windows OS OVER the old version.
3. have spoken to Canoscan tech support ot make certain I have no remaining dlls or anything...
4. have scoured Adobe for twain/thunker window problems and they only refer to probs IMPORTING images
into PS
from a twin scanner (I assume PS can initialize for this).
5. I have removed all prOGRAMS associated with the scanner (omnipro and photoscan) both of which work
FINE with the scanned images...although PS was an option to import scanned stuff into it never worked..It
Last bit of info I have is each time I try to run PS
4 files are thrown into the Win temp dir.. 3 .mtx twain files and a twain log that basically says it
cann't find the twunker window??!!
I had a TWAIN_32 folder in Windows that only have one version of the twain driver...did i mention that
I tried the latest canon driver als well...? and the Canoscan exe
I tried to install the latest Driver from canon with no change either...
That folder is now deleted, (It was recommended by canon) as it will recreate when another twain scnner
or camera is installed.
I don't know what else to do aside from re-installing to another os ALTOGETHER or putting PS on another
'pter altogether...oh, yeah I don't HAVE another computer...:0D.
I am using Me right now...and tho it has a bad rep I don't mind it. I don't want to have to burn 20
gb of info to disc so i can reinstall the os.
O yeah, one last thing... ALL versions of PS: 5.5-7 worked FINE before the scanner was installed...and
there have been no other software installations or hardware installed that it could be.
The scanner NEVR had a problem functioning except if I chose Photoshop to import the image..which then
INeed Photoshop!!!

well, guys..I sooooo appreciate the help...
I have tried everything mentioned including re-installing PS wothout any trace of TWAIn or the Scanner
(including image programs installed with it).
I also did dare :-) to clean the registry of any and everything scanner, twain, twunk AND photoshop
related rebooted and re-installed everything.
As far as Quarterdeck Clean sweep...I do run Norton clean sweep and have read that rec. on the Adobe
site, so I disabled that too as a test: No change.
The error log that gets thrown into the temp dir (along with 2 0r 3 .mtx files) reads as follows:

TWAIN_32.DLL - MESSAGE - CTwunk ::AppInitialize - Reset Log

TWAIN_32.DLL - MESSAGE - CTwunk ::OpenServer - Starting Thunker

TWAIN_32.DLL - MESSAGE - CTwunk ::CloseServer - Why Can't We Find The Thunker Window?

TWAIN_32.DLL - MESSAGE - DSM --DsmEntryDiagExit (RC = 0, CC = 0)

TWAIN_32.DLL - MESSAGE - CTWTRACE--Adobe Photoshop(49) to NULL:


the only thing i ahve not the re-insatll of PF only the EXE files as Caligula's Adobe rec
It seems whether the scanner is on or not PS is messed up now.
I spoke to Canon tech support who referred me BACK to ADOBE...??!!
So, I'm still trying.
I also have noticed that STIMON.EXE is (not responding) as well when PS freezes during
I KNOW the prob has something to do with the scanner...
even tho it's off!

TWAIN.dll  version
TWAIN_32.dll  version
TWAIN_G.ini  no version
TWUNK_16.EXE  version
TWUNK_32.EXE  version
  • 2
1 Solution
If it was fairly recent, then the next thing to try is restore a previous good registry (Windows ME keeps 5 previous backups of the registry, like Window 98): boot to DOS mode, type in the command scanreg /restore and choose a date prior to the problem happening.  The command scanreg /fix might also work in this case.  And if that doesn't work, then you can try the new feature of Win ME, System Restore, which will restore previous versions of important system files: go to Start, Programs, Accessories, System Tools, System Restore. You will be given the option of create a new Restore point, or Restore my computer to an earlier time. Choose the second option, you will be presented with a calendar, from which you need to choose an earlier date.  Note that this System Restore will not uninstall programs; it will only restore earlier versions of system files.

some troubleshooting from adobe (you've probably tried some or most of this but take a look anyway)

scuba22Author Commented:
i fixed the prob by deselecting stimon.exe from the msconfig startup menu..i can now run Phooshop but it still freezes at times and i haven't tried to re-install the scanner....
I will try to restore but i have had that shut off..when i tried restore for the system it was n't available to a point before all this!
from above link:
"Still Image Monitor (Stimon.exe) is a program that is installed by Windows Millennium Edition (Me) and Windows 98 when a Universal Serial Bus (USB) scanning device is successfully enumerated. ";EN-US;q306393

above link how to re-install stimon.exe

may or may not fix the problem but worth a try.

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