Computer network at a good time off

Recently, a couple of days of the Internet, the machine will always cut a net, one will also automatically connect, but speed is very slow.I checked the external connections are good.Poisoning and should not, my two Not chaotic days and the next thing into the site.This is how do such thing?

Network was made under the ARP virus you
360ARP a firewall to intercept the next
but speed will slow but will not break the network of the telecommunications reasons ..my hair the same way Perhaps some ARP virus, the best on the next ARP is not how the firewall .360!