I've problems installins SQL Server with management studio

I tried different steps starting from 

Changing permissions of the local user while running both registry editor and installer with adminstrator

i've checked most similar posts here in the forums and followed their steps but no progress , 

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this is the error message

i couldn't resolve it till now , i'm in this problem for 4 days till now tried different suggestions but no progress , i'm in a hurry , so please help me

Regards,

Omar