problem with internet sharing

I have two PC connected using a CROSSOVER Ethernet cable (Cat5E) without a Hub , Switch or Router. first PC connected to internet through D-Link DSL-200 USB ADSL WAN Modem .
First PC network adapters:
1-Realtek RTL8168B/8111B Family PCI-E Gigabit Ethernet NIC (NDIS 6.0)
2-D-Link DSL-200 USB ADSL WAN Modem
Second PC network adapter:
Realtek RTL8168C(P)/8111C(P) Family PCI-E Gigabit Ethernet NIC (NDIS 6.2)
I want to share my files and internet.workgroup names are same .Below image is taken from PC1 Network and Sharing Center.
View attachment 2178
When I click HomeGroup to create homegroup , this error appears:
View attachment 2179
But my network type for Unidentified network is not clickable and is statistic.
When I click on Multiple Networks on top of this screen both PCs are visible and file sharing is possible but second PC don’t have internet and multiple games can’t find network. ICS (Internet Connection Sharing) is configured .radio buttonsof Turn on network discovery and Turn on file and printer sharing are enabled.
[FONT=&quot]Can anyone help me. Please[/FONT]

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