alg.exe - alg process information

Process name: Application Layer Gateway Service

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Windows errors related to alg.exe?

The alg.exe executable allows applications (such as IM clients, RTSP, BitTorrent, SIP, and FTP) from a client computer to dynamically utilize passive TCP/ UDP ports in communicating with known ports on a server. This allows software to access applications that reside on another computer even if there is a firewall.

The alg.exe file’s absence would cause the security protocols to block communication ports, or for network administrators to consciously open numerous ports on the firewall that would create immense network vulnerability and potential threats.

The development of alg.exe was done within the context of computer networking architectures, where it is associated with the Application Level (or Layer) Gateway Service, as well as Network Address Translation, and is designed to supplement the firewall protection of a network. We strongly recommend that you run a FREE registry scan to identify alg.exe related errors.


alg.exe should not be disabled, required for essential applications to work properly. It is highly recommended that you run a FREE performance scan to automatically optimize memory, CPU and Internet settings.

Damage to your computer's registry could be compromising your PC's performance and causing system slow-downs and crashes. We recommend that you run a FREE registry scan to identify and list harmful registry entries on your computer.

Removal and security

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Security risk 0-5:



No (Free spyware scan)


No (Remove alg.exe)


No (Remove alg.exe)

General information


Microsoft Corp.

Part of:

Memory usage:

N/A (Free up memory)

Common alg.exe errors:

N/A (Repair)

System process:


Uses network:




Hardware related:


Uniblue Systems Microsoft Certified Partner
Process Details

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