Hi Wlfmp,
Are you facing any issues with Lifecam?
Are you trying to install Lifecam?
To download the latest driver software for Life cam follow the steps as mentioned below:
Troubleshoot failures to find new LifeCam hardwarehttp://support.microsoft.com/kb/929087
Note: you may not see an option to download for Lifecam vx-500 from the download list but you can update the driver software from the device manager, Follow the steps as per the article above.
You may also refer the steps from the article below which talk about Troubleshoot installing Intellipoint, IntelliType, or LifeCam softwarehttp://support.microsoft.com/kb/953691
You may also contact customer service support as per the link below:
How and when to contact Microsoft Customer Service and Support
http://support.microsoft.com/kb/295539
Regards,
Syed karim