Logitech Webcam won't work on my hp desktop computer. Says another application is using it. What app would that be?

The Logitech QuickCam is a webcam for Windows-based notebooks and laptop computers. The device also works on desktop computers, but contains the mounting hardware for portable computers. The webcam includes a USB connection, utility application and the device driver so your notebook's operating system can recognize the device. Like other webcams, you need to focus your Logitech QuickCam so individuals viewing you on the Internet or through other means can see you clearly. Open the Logitech QuickCam utility program by clicking on the program's icon on your computer's desktop or by clicking "Start," "All Programs," "Logitech," " Logitech QuickCam." Click on the chat client or website you are using the Logitech QuickCam on if you are not using the Logitech QuickCam utility. Turn the webcam's focusing ring on the front of the camera to the left or right slowly to focus the camera. You will see your image in the Logitech QuickCam preview window on your notebook's screen. Rotate the webcam's head, if needed, to center your image in the preview window. Hope this helps.

The Logitech QuickCam is a webcam for Windows-based notebooks and laptop computers. The device also works on desktop computers, but contains the mounting hardware for portable computers. The webcam includes a USB connection, utility application and the device driver so your notebook's operating system can recognize the device. Like other webcams, you need to focus your Logitech QuickCam so individuals viewing you on the Internet or through other means can see you clearly. Open the Logitech QuickCam utility program by clicking on the program's icon on your computer's desktop or by clicking "Start," "All Programs," "Logitech," " Logitech QuickCam." Click on the chat client or website you are using the Logitech QuickCam on if you are not using the Logitech QuickCam utility. Turn the webcam's focusing ring on the front of the camera to the left or right slowly to focus the camera. You will see your image in the Logitech QuickCam preview window on your notebook's screen. Rotate the webcam's head, if needed, to center your image in the preview window. Hope this helps.

Did you try to run the application as administrator? Some video software needs to communicate with the registry and requires elevation.

Logitech webcam usually comes with a CD to install software and drivers. If you are using windows 7 your computer should recognize Logitech Webcam when you connect it to your computer's USB port! Its necessary to have internet connection for your computer and Logitech webcam is just plug and play that means!
Just connect the webcam to your computer and remaining is done automatically!
Also drivers for logitech webcam are available online at their site www.logitech.com
good luck!

Yes, but you need to download the Installer from Logitech

Visit the Logitech website and browse the photo gallery for your model and click on the photo to navigate to the support page.
Note - Older models on page 2 - look for the link at the bottom right of page 1 and click on it "Still can't find your product?"

http://www.logitech.com/index.cfm/405/&cl=us,en?prodcrid=405

In addition to the Logitech installer you will need to run the support software - Microsoft DirectX . This comes pre-loaded on most Windows computers but has to be updated - I am currently on version 11
To start the DirectX Diagnostic Tool, click Start, click Run, type dxdiag in the Open box, and then click OK.

Procedure to re-install Logitech software
Close all programs while uninstalling - downloading and uploading software
Disconnect your webcam
Uninstall the current webcam software on your computer
Restart computer
Download the Installation package from Logitech
Run the installer and choose your options during the installation - You may not want Logitech Chat but the Desktop icon for the webcam toolbar is a must.
Connect your webcam when prompted.

Make sure you have the logitech webcam support software loaded - Microsoft DirectX - version 9 or later.
If you have been using your webcam in another location it can remain hooked up that application even if you exit it correctly.
You will have to re-boot the webcam software by unplugging it for a couple of seconds and then restart the logitech toolbar.
Failing this - reinstall the software

Visit the Logitech website and browse the photo gallery for your model and click on the photo to navigate to the support page.
Note - Older models on page 2 - look for the link at the bottom right of page 1 and click on it "Still can't find your product?"

http://www.logitech.com/index.cfm/405/&cl=us,en?prodcrid=405

In addition to the Logitech installer you will need to download Microsoft DirectX 9 or later to support your webcam

Procedure
Close all programs while uninstalling - downloading and uploading software
Disconnect your webcam
Uninstall the current webcam software on your computer
Restart computer
Download the Installation package from Logitech
Run the installer and choose your options - You may not want Logitech Chat but the Desktop icon for the webcam toolbar is a must.
Connect your webcam when prompted.

It is possible your Startup files contains Skype, VID, PhotoBooth, or some other program that hijacks your webcam. Even if you don't have those programs running they may keep you from using a different application. You will have to manually go through any type of program that could use your webcam and turn off the camera, and/or remove those programs from your Startup menu.

Sometimes webcam software can remain hooked up to a program even if we have exited that program correctly
I just re-boot my webcam software by unplugging it for a couple of seconds
( easy on a laptop but you can disable / enable the webcam from the imaging folder in your Device Manager )

You can try launching the Logitech toolbar and click on the Quick Capture menu ( 2 film frames ) If your webcam is in use elsewhere it will tell you what program otherwise your webcam should broadcast

Fianally the worst scenario is you have a software conflict with another program on your computer

Uninstall the software. don't connect your webcam with pc. Re-install the software via disk then re connect the webcam. when it says your new software has been installed but will work only after restart just give a restart. your cam will work

1. Either one of these image sizes:
• Small image size: 160 x 120
• Large image size: 320 x 240
2. RGB, I420, or IYUV formats. (Each is fine; we recommend RGB 24.)
3. Microsoft DirectX version 9.0

To get this information, click here to download a Microsoft application that checks to see if your webcam device meets these requirements.
To make it easy, when you’re asked where to Save the program, just save it on your Desktop.
Once it’s downloaded, here’s what to do:

1. Double-click the amcap.exe file on your desktop.
• If you have more than one webcam installed, click the Devices menu and select the one you want to use.
2. Click the Options menu, then click “Video capture Pin.”
3. Under “Color Space/Compression:”, choose one of the following formats:
• RGB 24 (our recommendation)
• I420
• IYUV
Note: If one of the options above isn’t in the list, then your webcam is not compatible with Yahoo!7 Messenger.

4. Under “Output Size”, choose one of the following:
• 160 x 120
• 320 x 240
Note: If one of the options above isn’t in the list, then your webcam is not compatible with Yahoo!7 Messenger.

5. Click OK
6. Close the ampcap application.
7. From your desktop, click ‘Start’ and select ‘Run’.
8. In the run box, type: dxdiag
9. In the confirmation dialog box, click OK.
10. On the System Tab under ‘System Information’, look for DirectXversion. Verify that your version is DirectX 9.0. If it is, just click Exit. If your version is older than 9.0 (any lower number), click here to download the latest version of DirectX.
11. Start the webcam from Messenger by clicking My Webcam in the Messenger menu.

Attention Logitech webcam users:
Some Logitech webcam drivers may cause one of the following problems:

• Windows freezes when accessing the webcam
• A black screen appears when using the webcam in Messenger
• A ‘Webcam not found’ error message appears.
• After 3 seconds, the sound drops out of calls made via Messenger

If you already verified that your device is compatible through the above steps and you’re a Logitech webcam user, please click here to update your Logitech webcam driver.