We provide expert advice, technical support and troubleshooting articles for Windows 10. If you're having problems with your computer, post on the forums and we'll help you fix it. While using Windows 10, if you get rundll32.exe error, you can try the above mentioned fixes or methods to fix this issue. All these methods are very easy to apply and you can get the issue resolved very soon just after applying any of the above-mentioned fixes. Microsoft Windows 95, Windows 98, and Windows Millennium Edition (Me) contains two command-line utility programs named Rundll.exe and Rundll32.exe that allow you to invoke a function exported from a DLL, either 16-bit or 32-bit. However, Rundll and Rundll32 programs do not allow you to call any exported function from any DLL.
- Windows 10 Desktop Icon Settings Rundll32 Error
- Windows 10 Rundll32 Error Windows 7
- Rundll32 Error Microsoft
- Windows 10 Screensaver Rundll32 Error
Description: The original rundll32.exe from Microsoft is an important part of Windows, but often causes problems. Rundll32.exe is located in the C: Windows System32 folder. Known file sizes on Windows 10/8/7/XP are 33,280 bytes (47% of all occurrences), 44,544 bytes and 30 more variants. The process is a service, and the service name is bff42538. Jan 13, 2016 About Us. We provide expert advice, technical support and troubleshooting articles for Windows 10. If you're having problems with your computer, post on the forums and we'll help you fix it.
You are no doubt reading this article because you’ve looked in task manager and wondered what on earth all those rundll32.exe processes are, and why they are running… So what are they?
RELATED:What Is This Process and Why Is It Running on My PC?
This article is part of our ongoing series explaining various processes found in Task Manager, like svchost.exe, dwm.exe, ctfmon.exe, mDNSResponder.exe, conhost.exe, Adobe_Updater.exe, and many others. Don’t know what those services are? Better start reading!
Explanation
If you’ve been around Windows for any amount of time, you’ve seen the zillions of *.dll (Dynamic Link Library) files in every application folder, which are used to store common pieces of application logic that can be accessed from multiple applications.
Since there’s no way to directly launch a DLL file, the rundll32.exe application is simply used to launch functionality stored in shared .dll files. This executable is a valid part of Windows, and normally shouldn’t be a threat.
Note: the valid process is normally located at WindowsSystem32rundll32.exe, but sometimes spyware uses the same filename and runs from a different directory in order to disguise itself. If you think you have a problem, you should always run a scan to be sure, but we can verify exactly what is going on… so keep reading.
Research Using Process Explorer on Windows 10, 8, 7, Vista, etc
Instead of using Task Manager, we can use the freeware Process Explorer utility from Microsoft to figure out what is going on, which has the benefit of working in every version of Windows and being the best choice for any troubleshooting job.
Mcintosh mx117 manuals. Simply launch Process Explorer, and you’ll want to choose File Show Details for All Processes to make sure that you’re seeing everything.
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Now when you hover over the rundll32.exe in the list, you’ll see a tooltip with the details of what it actually is:
Or you can right-click, choose Properties, and then take a look at the Image tab to see the full pathname that is being launched, and you can even see the Parent process, which in this case is the Windows shell (explorer.exe), indicating that it was likely launched from a shortcut or startup item.
Windows 10 Desktop Icon Settings Rundll32 Error
You can browse down and view the details of the file just like we did in the task manager section above. In my instance, it’s a part of the NVIDIA control panel, and so I’m not going to do anything about it.
How to Disable the Rundll32 Process (Windows 7)
Depending on what the process is, you won’t want to necessarily disable it, but if you would like to, you can type msconfig.exe into the start menu search or run box and you should be able to find it by the Command column, which should be the same as the “Command line” field we saw in Process Explorer. Simply uncheck the box to prevent it from starting automatically. Nf4 lanparty motherboard manual online.
Sometimes the process doesn’t actually have a startup item, in which case you’ll likely have to do some research to figure out where it was started from. For instance, if you open up Display Properties on XP you’ll see another rundll32.exe in the list, because Windows internally uses rundll32 to run that dialog.
Windows 10 Rundll32 Error Windows 7
Disabling in Windows 8 or 10
If you’re using Windows 8 or 10, you can use the Startup section of Task Manager to disable it.
Rundll32 Error Microsoft
Using Windows 7 or Vista Task Manager
One of the great features in Windows 7 or Vista Task Manager is the ability to see the full command line for any running application. For instance, you’ll see that I have two rundll32.exe processes in my list here:
If you go to View Select Columns, you’ll see the option for “Command Line” in the list, which you’ll want to check.
Now you can see the full path for the file in the list, which you’ll notice is the valid path for rundll32.exe in the System32 directory, and the argument is another DLL that is actually what is being run.
Windows 10 Screensaver Rundll32 Error
If you browse down to locate that file, which in this example is nvmctray.dll, you’ll usually see what it actually is when you hover your mouse over the filename:
Otherwise, you can open up the Properties and take a look at the Details to see the file description, which usually will tell you the purpose for that file.
Once we know what it is, we can figure out if we want to disable it or not, which we’ll cover below. If there isn’t any information at all, you should either Google it, or ask somebody on a helpful forum.
When all else fails, you should post the full command path over on a helpful forum and get advice from somebody else that might know more about it.
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