Since last update 0.107.6 unable to start HA on my raspberry

I’ve installed Home Assistant 0.106.6 as an image for my Raspberry Pi 3 Model B and B+ 32bit and it worked well.

I've  upgraded to 0.107.6 but now it can't start : from chrome ==> ERR_CONNECTION_REFUSED

I can run putty, connection root + password 
i can access files with samba share

what to do to fix the problem ?

thanks for your help