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Error Notice ::: Error at CVFWimpt: Open () Can't open VFW TWAINUI has to exit I was installing a HP Webcam and same erroe comes up have gone to HP website got new driver and down loaded it and same thing keps coming up can some one tell me what is wrong and how to fix it

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  • Anonymous Sep 14, 2008

    My webcam used to work with windows live messenger 9.0 beta but now it keeps on saying that ut is being used by another program and when i try to use the webcam through videoImpression 1.6 i get an error message saying: Error at CVFWImpt:: Open ()

    Can't open VFW!

    TwainUI has to exit.

×

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Normal 0 Did you install the software with the camera connected to the computer? Disconnect the camera from the USB port and reinstall the software. When the program asks you to connect the camera, do so, and it should work. Hope this is of some help. Bud

Below is info for setting up Audio & Video to chat on line after you install , either Skype or a messenger program.


Web Camera’s have to be setup on the program they are to be used with. Just installing the camera on your computer does not set it up to broadcast on messengers or Skype.
Each program has Options that have to be setup in order for the Audio and Video to function properly.
A. Skype Setup:
After downloading and installing Skype set it up as follows:

  1. Go to TOOLS, then OPTIONS, and click on Audio Settings and set the Microphone and Speakers to the computer Audio Card.
  2. Then click on the Video Settings.
  3. The camera if installed properly will come up and show a picture.
  4. Then on the bottom of the page click on Save.
The camera and audio should function properly. Your friends and Family will now see and talk to you.
B. Yahoo Setup:
After downloading and installing Yahoo Messenger set it up as follows:
  1. Go to Messenger at the top left and click on it.
  2. Next go down to Preferences and click on it.
  3. Next Calling and Devices on the right and set the Microphone and Speakers to the computer Audio Card.
  4. Next go to the Test Audio section and (in blue writing) click on “Open the call setup assistant” and follow the instructions on the left window.
When done both the Audio and Video will function properly so you can chat and see family or friends you are connected to.
Hope this helps. Bud

Posted on Jan 13, 2009

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Why can't the application on the disk find the VFW Driver? I want to use Omegle...


VFW, is only for Win98SE, XP? Video for windows is a real "old" format, usually caused because the correct drivers aren't installed, or are NOT on the install disk.

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Try putting the camera under VFW (Video For Windows) control - it involves a registry edit and can be found here
http://help.yahoo.com/l/us/yahoo/messenger/messenger10/webcam/mstacamfix.html
It didnt work for me at first - I had to download the windows amcap as well. VFW doubled my fps
If you open the 'webcam' menu on the webcam picture frame and also open 'Statistics' you can monitor the f/p/s during transmission - Generally try and keep the frames per second above 1.0 fps to prevent freezing. I transmit the 'small image' with my contacts and they zoom up to 200% -all on the webcam frame menu. When you open 'Statistics' you can tell if you are on VFW control - it will say VFW along the lower panel.
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I used to get this when I was on dial-up but never since going broadband - so the bandwidth may be fragile.
You need to interrogate what is happening when the webcam is transmitting by opening the webcam menu on the webcam frame and click "statistics" Its best to transmit the "small" image and use the zoom 200% when established ( same as sending large photos by email ) - if I go for speed rather than quality on the slider I can achieve 5-6 frames per second ( small size) but I normally transmit about 1-2 f/s.
I have my webcam under VFW (video for windows) control as I used to get freeze problems. This involves a registry change - detailed in Messenger help

http://help.yahoo.com/l/us/yahoo/messenger/messenger9/webcam/mstacamfix.html

You can tell when its under VFW control because VFW will be on the bottom of the Statistics box. You may need a little bit of software to make it work, if like me you do not have Directx on your pc - if so download the software featured here.

http://help.yahoo.com/l/us/yahoo/messenger/messenger9/webcam/mstatestcamie.html

Dont worry about using the proxy server in "Connections" - Use it when you have to - I had to use it today to make my my webcam work - I also had to increase my virtual memory but that was as a result of error messages

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Video conferencing starts fine but after a minute or so my video freezes. When I turn it off and on again it starts back up but only for about 20 seconds until it freezes again.


If you are trying to use Yahoo conference facility put your webcam under Video For Windows control ( VFW )

http://help.yahoo.com/l/us/yahoo/messenger/messenger9/webcam/mstacamtest.html

You have use IE to automatically download this program by just visiting the page - it will make a small registry change and for me, increased the frame/per/second f/p/s by 100%
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Hi,
VfW (Video for Windows)mis old (and not being developed any more) and because of its limitations,Microsoft has come up with a new device driver model: WDM (supported nativelystarting from Windows 2000). Most video capture drivers are now being developed using WDM.

I think if you get the latest DirectX drivers it'll work better.

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I'm trying to install a webcam but i keep on getting an error message saying: can't open vfw ! twainui has to exit. What does that mean? any suggestions> thanks, paula


The installation may be corrupted, Try downloading the software and install it.
If the webcam is logitech you can download from the below link.

http://www.logitech.com/index.cfm/support_downloads/downloads/&cl=in,en

Please select the product and download.

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Help


hi there

i say that you are using windows xp. what we have to do is do a system restore in order to return to the time just before youve installed the camera.

if you have any softwares installed after the time youve installed the camera, those softwares are also going to be gone.

so its your decision if you want to mae a system restore ok?

here is how to so system restore.

click start>run>type restore...a window will open and double click on the " rstrui.exe". follow the prompts and select a specific time before youve installed the cam.

hope this helps.

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