Try now

Program info

Estimated safety rating


alg.exe is a program which is most likely NOT a virus. So, if alg.exe is on your laptop or desktop computer, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, we still advise you to use a well-known antivirus with a good track record, in order to defend your PC against potential security problems.

Executable file path


Usually, this application is stored in C:\WINDOWS\system32\alg.exe.

MD5 hash of the executable file


The MD5 fingerprint for this program is 5e9a6658a2a69ae7eb195113b7a2e7a9.

Is running as a service


This application is a Windows service. This means it operates on your system in background, usually without displaying any user interface to you. Most Windows services are legit programs, which provide useful functions to other applications 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 application runs in 32-bit mode. It can not use the entire set of features of nowadays' computer chips. This ordinarily happens because the authors did not bother to upgrade it to 64-bit code.

File description

 Application Layer Gateway Service

The description written in the program 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.

Legal copyright notice © Microsoft Corporation. All rights reserved..

Digitally signed


alg.exe has a digital signature. Nowadays the large majority of legit software applications are digitally signed.

Valid digital signature


The digital signature found in alg.exe is valid. This is very good.

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 command set up in registry.