Re: Computer see's phone as a camera
https://www.windowsphone.com/en-us/how-to/wp8/windows-phone-app-for-desktop
But with XP you are screwed.... Time to upgrade. XP is only 14 years old......
This is known bug in DP. It should only occur if you are on wifi. Try disconnecting from wifi and see if it persist. Not saying to not use wifi, just saying that when I am not on wifi, I don't get the delay.