Version of AE? You should be using the Creative Cloud app to install everything. OS and system details may help. Be specific down to the last decimal point.
I try to use Creative Cloud, but have to upgrade it to use it.
When I try to upgrade it, at 9% I get error code: 1001.
Adobe After Effects CC 2015.3
OSC El Capitan
MacBook Pro (13-inch, Mid 2012)
Processor: 2,5 GHz Intel Core i5
Memory: 4 GB 1600 MHz DDR3
Graphics: Intel HD Graphics 4000 1536 MB