What is actxprxy.dll?

Actxprxy.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. You can fix your actxprxy.dll problem by downloading the correct actxprxy.dll file. The following information can help you determine if actxprxy.dll is a Windows system file or if it belongs to an application that you can trust.

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Actxprxy.dll file information

The process known as ActiveX Interface Marshaling Library belongs to software Microsoft Windows Operating System by Microsoft (

Description: Actxprxy.dll is not essential for the Windows OS and causes relatively few problems. Actxprxy.dll is located in a subfolder of C:\Windows—typically C:\Windows\SysWOW64\. The file size on Windows 10/8/7/XP is 309,760 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. It is a trustworthy file from Microsoft. It can change the behavior of other programs or manipulate other programs. The program is not visible. The service has no detailed description. Actxprxy.dll is not a Windows core file. Therefore the technical security rating is 40% dangerous.

Recommended: Identify actxprxy.dll related errors

If actxprxy.dll is located in the C:\Windows\System32 folder, the security rating is 35% dangerous. The file size is 309,760 bytes (66% of all occurrences), 1,576,448 bytes, 1,035,264 bytes or 1,049,600 bytes. The file is a trustworthy file from Microsoft. The program has no visible window. It can change the behavior of other programs or manipulate other programs. There is no detailed description of this service. Actxprxy.dll is not a Windows core file.

Important: Some malware camouflages itself as actxprxy.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the actxprxy.dll 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.


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Best practices for resolving actxprxy issues

A clean and tidy computer is the key requirement for avoiding problems with actxprxy. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the actxprxy.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

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