there isn't an install point, but it really seemed a complicated problem, i think a system restore should help, but i disabled it, so i tried to fix it myself, i tried first to uninstall the whole thing and restart completely and set it back, nothing changed, so i view event log, it seemed many serice related to networks had failed to start, and one is the ipec services, it said i should disabled it restart it, but when i tried, there was an error, saying it was impossible to fail but it fail. and there are many other services rely on it, i wouldn't know which to start with.