Error opening zip (Add-Ons/GameMode_Blockhead#10A04CD1.zip), need to handle this better...
Error opening zip (Add-Ons/GameMode_Ninja_Jum#10A04CCE.zip), need to handle this better...
Error opening zip (Add-Ons/Print_2x2f_NES_Sup#10AF4F59.zip), need to handle this better...
Error opening zip (Add-Ons/Projectile_Radio_W#10DC201A.zip), need to handle this better...
Error opening zip (Add-Ons/Projectile_Radio_W#10DC18CA.zip), need to handle this better...
Error opening zip (Add-Ons/Projectile_Radio_W#10DC1C14.zip), need to handle this better...
I assume this is your problem. The files (or the add-ons folder) seem to be corrupted.