amxdll.dll is a AMXDLL
belonging to AMXDLL Dynamic Link Library
from Gerber Technology
Non-system processes like amxdll.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.