connectivity problems after installing latest microsoft automatic download

My problem occurred after automatic download of latest microsfoft download on my toshiba P15-S479 notebook "software distrubutioin service 2.o " I have connectivity problems. When I try to go  on my home network wia wireless or wired I get the meassage that the status of my linksys network is 'limited or no connectivity' I do have excellent signal strength. All my other computers, lab top and desk top are fine-I tired turning off the firewall on on the main computer(the one the broadband is connected to) and my laptop- this did not help-any ideas

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