Default block pnp discovery stealthd? help?

Norton Security | Norton Internet Security
1

hello i downloaded something yesterday and since then ive been getting this message about

 

rule "default block UPnP discovery" stealthd (192.168.1.1, port ssdp(1900))

inbound UDP packet

local address, service is (239.255.255.250 Port ssdp (1900))

remote address, service is (192.168.1.1, Port (2270))

Process name is  "C://Windows/system32/svchost.exe"

 

 

and this same exact message happens 6 times each 2 minutes.

 

its really worrying me.

 

any suggestion on hwo to fix this problem?