What model of CPU is in your computer?
CPU: AMD Phenom(TM) 9650 Quad-Core 2.3 Ghz
System Type 64Bit
Windows 7 Home Premium with SP1
Disk space.. more than 150GB Free,,
There is a known issue with old AMD CPUs and the current version. We are currently working on a fix that we hope to have out in a patch in two weeks or less.
If you'd like to help us to test the After Effects CC 2015 (13.6.1) update---which fixes this bug---you can request access to the prerelease testing program here:
Choose the "Private programs" tab and click Apply to apply for the "After Effects CC 2015 (13.6.1) patch update" program.
The After Effects CC 2015 (13.6.1) bug-fix update is available. It fixes several bugs, including the one being discussed on this thread.
Let us know how things work after you have installed the update.