Laptop Crashes after creating Network Bridge

I created a Network bridge between my home network (Humax box, PS3, TV, Netbook via Zyxel router) connected to Laptop via ethernet cable and my wireless internet router. Work no problems after entering the IP:
Windows 7 Unidentified Network, Limited Access, No Internet Connection Problem Resolved
Testing on all devices connected to home network and internet was available on all. However after shutting down laptop and restarting, got the dreaded blue screen. Restore point was prior the Network Bridge was created. Closed down and restarted no problems. Recreated the network bridge successfully as before, blue screen again on restart. Can someone help me please?

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