now i have big problems after all my problems i have decided to unistall seasons and reinstall it after. but now the downloads folder have disapeared and i dont know what to do. please someone help me...

i put boolprop useshaders true on a line in the userprops file for the fishing things, and when i start my game in the roverblossom town.. some of my families disapeared. i dont know what to do now because i cant find boolprop useshaders true anymore in the userprops file. can someone help me!?!??!?!
sorry if my english is bad im french