1)account picture at active directory
2) account picture at Windows10 start menu (after sign out and sign in)
3)show account picture at Windows10 settings
4)account picture at sign in
5)account picture at Star10 Windows7 style (missing account picture)
6)set account picture at Windows10 settings
7)account picture at Start10 menu (after sign out and sign in)
8)change account picture at active directory
9)show account picture at Windows10 settings (after sign out and sign in, changed)
10)account picture at Start10 menu (not changed)