Important: If your PC is producing alg.exe errors, you should check your Windows operating system immediately!

The file alg.exe is part of the program Windows from the manufacturer Microsoft. Its task: alg.exe provides support for protocol plug-ins from third parties for common use of an Internet connection and Windows Firewall.
alg.exe is normally found in the directory %sysdir%. If the file is located in another folder, you may have selected this path when installing the software. Under certain circumstances, this can also be an indication of a virus.

How to fix alg.exe errors

If Windows notifies you of alg.exe errors, the cause may be the result of damaged or corrupted registry entries.
In most cases, it helps to check the Windows registry for alg.exe errors!

If this does not fix alg.exe errors, we recommend uninstalling the program using the Control Panel and then running a scan of the Windows registry again.

alg.exe slows down my PC!

Programs and files can have a strong impact on the performance of a Windows operating system. In some cases, this also includes alg.exe.
In case of doubt, you should uninstall the program in question.
If alg.exe is in the Windows startup folder, it can slow down a PC. We recommend that you turn off the automatic startup of this program.
Our advise: AVG TuneUp disables unnecessary startup programs and Windows applications thereby minimizing the load on your computer. The software also fixes alg.exe errors!

Is alg.exe harmful to my computer?

alg.exe is considered to be trustworthy. If the file is not located in the standard path, this may indicate the presence of a virus. Scan your PC with an up-to-date virus scanner. We recommend using the free antivirus software AVG Anti-Virus Free.

All information about alg.exe:

The following information about alg.exe is available.
Product name: Windows
Process name: Application-level gateway service
manufacturer: Microsoft
Website manufacturer: unknown
Standard path: %sysdir%
Category: Service that is part of your operating system.
Assessment: trustworthy