404 error

Hi

I instaledd wp super cache and later I saw that he was in conflict with w3 super cache so i deleted the wp super cache plugin.
After I did that the options of my wordpress(plugins, media, comments, settings and order are redirect for page 404
I tried a numerous of things but I dont know how to fix this error, please HELP!!!

https://ww.wp.xz.cn/plugins/wp-super-cache/