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Program info

Estimated safety rating


alg.exe is a program which is most likely NOT a virus or malware. So, if alg.exe is on your PC, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to run a well-known antivirus with a good detection rate, in order to defend your system against threats.

Executable file path


This program is normally found on disk in C:\WINDOWS\system32\alg.exe.

MD5 hash of the executable file


The MD5 checksum for this file is 764b7a1e6ae2d70416a7932f3b97ac99.

Is running as a service


This application is a Windows service. This means it runs on your system in background, usually without showing any user interface to you. Most Windows services are legit programs, which provide useful functions to other programs or to Windows in general.

Belongs to the operating system


alg.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.

Is a 32 bit executable file


This executable runs as a 32-bit program. It does not benefit of the full set of features of current PC CPUs. This ordinarily happens because the makers did not bother to upgrade it to 64-bit code.

File description

 Application Layer Gateway Service

The description present in the program is Application Layer Gateway Service.

File version

 5.1.2600.5512 (xpsp.080413-0852)

File version extracted from the file 5.1.2600.5512 (xpsp.080413-0852).


 Microsoft Corporation

Company Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Copyright notice © Microsoft Corporation. All rights reserved..

Digitally signed


alg.exe is digitally signed. Nowadays most legit programs are digitally signed.

Valid digital signature


The digital signature attached to alg.exe verifies as ok. This is most likely a clean, ok program.

Certifier name

 Microsoft Windows Component Publisher

Digitally signed by: Microsoft Windows Component Publisher

Issuer name

 Microsoft Windows Verification Intermediate PCA

Certificate's issuer name: Microsoft Windows Verification Intermediate PCA

Can be uninstalled


This program does NOT have an uninstall routine set up in registry.