How to remove an alg error
The free file information forum can help you determine if alg.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.
Alg.exe file information
The process known as Application Layer Gateway Service or CPAX20 or Crypted Application or YVbUWzof
belongs to software Microsoft Windows Operating System or CPAX20 or Services or NS2 or Projekt1 or Crypted Application or YVbUWzof or Java 2 Runtime Environment
by Microsoft (www.microsoft.com) or SornSoft or MS or VisioSoft PhotoAlbum or Basic or Application Layer Gateway Service.
Description: alg.exe is located in the folder C:\Windows\System32.
Known file sizes on Windows 7/XP are 44,544 bytes (95% of all occurrences), 41,984 bytes and 31 more variants.
The program is not visible. Alg.exe is a trustworthy file from Microsoft. Program uses ports to connect to a LAN or the Internet. alg.exe is able to connect to Internet. Therefore the technical security rating is 13% dangerous, however also read the users reviews.
Recommended: Identify alg.exe related errors
Viruses with the same file name
Is alg.exe a virus? No, it is not. The true alg.exe file is a safe Microsoft Windows system process, called "Application Layer Gateway Service".
However, writers of malware programs, such as viruses, worms, and trojans deliberately give their processes the same file name to escape detection. Viruses with the same file name are e.g. TrojanClicker:Win32/Klik or TrojanDownloader:Win32/Agent.OH (detected by Microsoft), and BKDR_AGENT.AVEM or TROJ_Generic.DIT (detected by TrendMicro).
To ensure that no rogue alg.exe is running on your PC, click here to run a Free Malware Scan.
How to recognize suspicious variants? If alg.exe is located in the folder "C:\Program Files\Common Files", the security rating is 24% dangerous. The file size is 33,205 bytes (29% of all occurrences), 33,792 bytes and 8 more variants. The program has a visible window. The application starts when Windows starts (see Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Run, HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce). Alg.exe is not a Windows core file.
If alg.exe is located in the folder C:\Windows, the security rating is 81% dangerous. The file size is 147,456 bytes (33% of all occurrences), 59,904 bytes and 7 more variants. There is no file information. The program is not visible. File alg.exe is located in the Windows folder, but it is not a Windows core file. File alg.exe is not a Windows core file. The program uses ports to connect to a LAN or the Internet. alg.exe is able to hide itself, monitor applications and record inputs.
If alg.exe is located in a subfolder of C:\Windows, the security rating is 56% dangerous. The file size is 15,532 bytes (16% of all occurrences), 40,962 bytes and 4 more variants.
If alg.exe is located in a subfolder of C:\Windows\System32, the security rating is 100% dangerous. The file size is 470,528 bytes (66% of all occurrences) or 405,504 bytes.
If alg.exe is located in a subfolder of "C:\Documents and Settings", the security rating is 46% dangerous. The file size is 131,072 bytes (33% of all occurrences), 527,872 bytes or 963,286 bytes.
If alg.exe is located in a subfolder of "C:\Program Files", the security rating is 55% dangerous. The file size is 4,734,006 bytes (50% of all occurrences) or 218,112 bytes.
If alg.exe is located in C:\, the security rating is 46% dangerous. The file size is 1,308 bytes (50% of all occurrences) or 40,167 bytes.
Important: Some malware camouflages itself as alg.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the alg.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Jarrett Z (Computer Network Admin)
Shamil (further information)
Chip Powell (MCSE, MCITP, CCNP)
Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.
Spyware Doctor detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.
SpeedUpMyPC scans, cleans, repairs and optimizes your computer.
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