When I try to start debugging my windows phone 8 app in Emulator WVGA 512MB the following error message is showing
The Windows Phone Emulator wasn\'t
This worked for me (found here):
follow the following steps to solve this problem
1.go to network and sharing center
2.go to change adapter setting
3.go to v Ethernet (internal Ethernet port windows phone emulator internal switch)
4.right click it and enable it(if already enabled then disable and enable it again).