Download AfterFXLib.dll, patch adobe CC 2019 for After Effect.
Download Collection Adobe 2019 free to enjoy it.
Adobe CC 2019 placed his activation module in the EXE or DLL file of the main program, canceled the classical activation module amtlib.dll and completely disabled the offline activation method.
The solution was to provide replacement files to bypass registration and to benefit from its use.
After downloading and installing, put the patch in the installation folder, overwriting the one already present in the same directory.
The software Adobe After Effect CC 2019 16.0.0 X64 (2,1 Go)
the patch AfterFXLib.dll (17 Mo)
Do not perform the updates proposed risk that the patch does not work anymore.