1st check if your dragon city page is loading yes?>ok go on / no?!>wait until it loads up
dont be greedy and let the tool run like this :
300 <>go
600
900
1200
1500
1800
2100 <>quit
1<>then quit the tool
2<>quit the dragon city page
3<>wait 3-5 min
4<>open dragon city again and repeat signature and start tool again
i dint have a stuck loading screen like this in over 3 hours
pres thanks if it helped you plz