Adobe AIR (Adobe Integrated Runtime) is based on the technology that allows creating desktop applications (for general purposes) using web technologies like HTML, Ajax or Flash. Developers can take advantage of their knowledge in website creation to develop multimedia applications.
Finally I find it for my laptop n5010 Window 7 64bit Dell WebCam Central driver.
This is a link it work fine and good.....
http://ftp.us.dell.com/monitors/Dell_SX2210-Monitor_Webcam%20SW%20RC1.1_%20R230103.exe