-What is alg.exe? Is alg.exe spyware or a virus? Process name: Application Layer Gateway Service
Product: Windows Company: Microsoft File: alg.exe Security Rating: Application Layer Gateway service is a component of of Windows OS. It is required if you use a 3rd party firewall or Internet Connection Sharing (ICS) to connect to the internet. Do not end this program in task manager - you will lose all internet connectivity until next restart or login. Note: The alg.exe file is located in the folder C:\Windows\System32. In other cases, alg.exe is a virus, spyware, trojan or worm! Check this with Security Task Manager.
