Erpnext Stuck @ bench start

hello i need help i’m pretty new in erpnext
i downloaded dev image and and successfully booted but when i create new app stuck at this screen

Bench start is a app runner. Goto browser and hit localhost:8000

I try but localhost no response @ localhost:8000 and localhost:8080 i am using on virtualbox dev image kindly help me …:smiley: