What is xpsp3res.dll?

The genuine xpsp3res.dll file is a software component of Microsoft Windows Operating System by Microsoft.
A DLL that supports messages in the Windows XP Service Pack 3 update, this process runs as needed to provide messages to the user. These messages revolve around prompts regarding network connectivity and security settings that are different than previous releases. Founded in 1975 in New Mexico, Microsoft is now one of the largest software corporations in the world. Currently headquartered in Washington, the flagship Windows operation system is the most utilized OS in the world.

XPSP3Res stands for Windows XP Service Pack 3 Release Messages

Xpsp3res.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. The following information can help you determine if xpsp3res.dll is a Windows system file or if it belongs to an application that you can trust.

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Xpsp3res.dll file information

The process known as Service Pack (version 3 Messages, 3-Meldungen) or Mensajes de Service Pack (version 3) belongs to software Microsoft Windows Operating System or Sistema operativo Microsoft Windows or Betriebssystem Microsoft Windows by Microsoft (

Description: Xpsp3res.dll is not essential for Windows and will often cause problems. The xpsp3res.dll file is located in the C:\Windows\System32 folder. Known file sizes on Windows 10/8/7/XP are 350,720 bytes (30% of all occurrences), 373,760 bytes and 56 more variants. 
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. The program has no visible window. There is no detailed description of this service. Xpsp3res.dll is not a Windows system file. It can change the behavior of other programs or manipulate other programs. Xpsp3res.dll is a Microsoft signed file. xpsp3res.dll appears to be a compressed file. Therefore the technical security rating is 43% dangerous, however you should also read the user reviews.

Recommended: Identify xpsp3res.dll related errors

Important: Some malware disguises itself as xpsp3res.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the xpsp3res.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.


User Comments

connecting nokia n73
Windows XP - Netzwerkdiagnose
  Monja   (further information)
Empty registry entry found in XP SP3, like this in the registry %windir%\Network Diagnostic\xpnetdiag.exe, Under key MenuText is says, wait for it, @xpsp3res.dll,-20001 which is a none existent file here
  Tim C  
This is for the next Service pack 3. I think it is as an "updater"
This DLL is related to the Network Diagnostics for Windows XP
  Pedro Merced   (further information)
Part of Windows XP build 5.1.2600.2906
it apears in windows firewall extentions without notice. and in task manager t 2! i have removed it from task manager and it turn on again! i have also deleted it from firewall extentions
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Rating chart

Summary: Average user rating of xpsp3res.dll: based on 29 votes with 9 reviews. 12 users think xpsp3res.dll is essential for Windows or an installed application. 7 users think it's neither essential nor dangerous. 6 users suspect danger. 4 users think xpsp3res.dll is dangerous and recommend removing it. 4 users don't grade xpsp3res.dll ("not sure about it").

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Best practices for resolving xpsp3res issues

A clean and tidy computer is the key requirement for avoiding problems with xpsp3res. 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 xpsp3res.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

xpsp3res.dll [all]