The log shows that Steam is still trying to save to the Steam cloud. Are you sure you have turned it off? In Steam, right-click on CIU in your Library and select “Properties”. In the “General” tab, UNselect “Keep games saves in the Steam Cloud for Chicken Invaders Universe”. Then go through all steps mentioned in CIU version 135 - #198 by Sylphaeri again
Also please send me C:\ProgramData\InterAction studios\CIU\steam\135\CIU.log