You need to make sure that the following 4 settings are set to “Automatic” and that they are (even) started:
1. DHCP Client
2. NET TCP Port Sharing Service
3. SSDP Discovery
4. UPnP Device Host
For the technically challenged, the way that you access the above settings is to:
1. Right click on My Computer
2. From the menu, left click on Manage
3. Click on Services and Applications
4. Click on Services
The services are listed in alphabetical order, so they are easy to find.