DCEF09B47D45 no longer letting me connect

When I try connecting to the router it gives me two options; netgear52 or netgear52-5G it will no longer let me connect to netgear52 it says I have the incorrect password. I finally changed it to try that and it doesn't work. I've tried rebooting it, I tried connecting by pushing the button on the router, NOTHING works. I haven't had the router not even a year. I'm trying to do stuff online on my laptop and it won't connect to it the guest wifi and it doesn't give me the option to connect to the netgear52-5G. I really don't want to have to buy a whole new router, please help.