remove aftereffects / after effects updates completely from the computer restart
turn off firewall and anti virus
reload all aftereffects and updates restart
turn the firewall and antivirus back on
update antivirus and scan entire computer
the antivirus or firewall can prevent programs / updates from loading correctly
using multiple, mismatched, free downloaded security programs can also cause a number of problems. get rid of them and use a real professional all in one security system.