ive been trying to reinstall it but heres what is happening

1.windows security 

and ive turned all security off before and it is still off i used it in the past

here is what it says Warning

Fallback update checker used, which may be unreliable. Your device/internet is either blocking 'cdn.wearedevs.net' or the server is offline.

its been 3 days and jjsploit isnt working still. it says a few hours and on google it says 1 day but its been 3 so i would like to know how long it really takes