Wired connection to windows ISC stopped working

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http://askubuntu.com – I have had my Linux box connected to the internet through a windows computer by wiring them together with a cat5 cable then the windows is connected wirelessly to a router. This setup has worked since I got the Linux bot but just yesterday stopped working. The changes that occurred were: I changed networking so that I was connecting the Linux box and windows computer through a second router so during that time the Linux box went through a router to connect to the windows computer that was still connected wirelessly to the first router. While the internet didn't work on the Linux box at the tim (HowTos)