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Program info

Estimated safety rating


alg.exe is a program which is probably NOT a virus. So, if alg.exe is on your computer, it is probably ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to use a well-known antivirus with a good track record, in order to yourself your PC against potential security problems.

Executable file path


This application is normally stored on disk in C:\WINDOWS\system32\alg.exe.

MD5 hash of the executable file


The MD5 checksum for this executable is 88842de939a827577bf24243699ac80a.

Is running as a service


This program is a Windows service. This means it runs on your PC in background, usually without showing any user interface to you. Most Windows services are legit programs, which perform 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 program runs as a 32-bit program. It can not exploit the full power of current PC CPUs. This ordinarily happens because the authors did not upgrade it to 64-bit code.

File description

 Application Layer Gateway Service

The description written in the file is Application Layer Gateway Service.

File version

 5.1.2600.5512 (xpsp.080413-0852)

File version 5.1.2600.5512 (xpsp.080413-0852).


 Microsoft Corporation

Company name Microsoft Corporation.


 © Microsoft Corporation. All rights reserved.

Intellectual property rights notice © Microsoft Corporation. All rights reserved..

Digitally signed


alg.exe is digitally signed. Today most serious programs are digitally signed.

Valid digital signature


The digital signature attached to alg.exe is valid. This is excellent.

Certifier name

 Microsoft Windows Component Publisher

Digital certificate name: 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 a removal routine stored in registry.