Cant Installition High Sierra 10.3.5

[khatopro]

When i begin installatition prohibitorie symbol with this

 

[BreBo]

@khatopro, please add details of your motherboard (Mobo) to your profile (personal details).
If you have a prebuilt computer enter make and model instead of motherboard (Mobo).

Profiles need to contain at least your primary system to assist others with helping you.

 

[khatopro]

Ok