Just like many other files in Windows 10 like Msmpeng.exe file, rundll32.exe file would not take much disk space on your PC.
Windows Host Process Rundll32.exe Overview
In this way, by the time you discovered that Windows host process rundll32 high CPU appeared, it is likely that the Windows process rundll32 had some errors in Windows 10.
But the question is that many of you don’t even have any idea what rundll32 Windows host process does and why rundll32.exe keeps showing up in Task Manager.
To meet your goals, this article will show you what the rundll32.exe is used for and how you can fix Windows host process rundll32 high disk usage Windows 10 or high CPU. Of course it is also available for you to learn why this rundll32 shows up on startup.
What is Windows Host Process Rundll32 Windows 10?
To put it in simpler words, the rundll32.exe is the built-in tool along with Windows systems. It is mainly designed to activate certain functionalities in Windows 10, 8 and 7 .exe files.
To be more specific, if you want to get familiar with using this Windows rundll32 host process, it is very necessary to start from the DLL file. As rundll32 itself is said to have no function, it is in a DLL file, it becomes useful in Windows 10.
DLL refers to Dynamic Link Library, which stores functionalities that can be used by applications. With the DLL, the software does not need to create the common uses within itself. When used, these applications will navigate to .DLL files and take advantage of these features automatically.
In this regard, when it comes to rundll32.exe, in fact, rundll32 has no use on its own, only when combined with DLL can it work for your system.
Also, different usages require rundll32 to open the different DLL part. For example, if you are going to exit the system immediately, you can let rundll32.exe raise the model of user.exe. Thus, you can quickly shut down your PC.
Why is Windows 10 Rundll32.exe using elevated disk on your PC?
Normally this Windows host process rundll32.exe will not consume much disk or CPU usage in Windows 10 as it will automatically shut down after being used .
On the other hand, unlike .exe files, which are executable, this rundll32 would not bring you threats or viruses while performing the task.
How to Fix Windows Host Process Rundll32.exe High Disk Usage Issue
So when any rundll32 Windows host process error occurs, whether it is rundll32 high disk usage or rundll32.exe keeps appearing in Windows 10, you had better try some ways to remove rundll32 disk error.
Solution 1: Run System File Checker
Since rundll32 is a system file in Windows 10, you can use SFC (System File Checker) to detect the file problem on your PC. Perhaps this tool can show you if the Windows host process rundll32 is corrupted.
Therefore, you can fix this rundll32.exe high disk usage problem more successfully.
1. Write Symbol of the system in the search box and then right click on the result to Execute as an administrator .
2. In the symbol of the system , enter sfc /scannow and then press enter to run SFC on Windows 10.
The moment you press the key Entity r, obviously you can see that SFC is scanning the system files including rundll32.exe.
Solution 2: Monitor Windows Host Process Rundll32 Disk Usage Automatically
If high disk usage by Windows Host Process Rundll32 appears on your PC from time to time, you need to monitor how much disk space this rundll32 process occupies. In this point, Advanced SystemCare , being an all-in-one system optimizer, is useful for you. It will offer you a Performance Monitor that will allow you to check the disk usage for different programs in real time.
Based on that, you can also choose to get rid of this rundll32 and all relevant ones automatically as well using Advanced SystemCare.
one. Download , install and run Advanced SystemCare.
Once you start ASC, its program icon will be placed in the system tray at the bottom right of the desktop usually.
2. Right-click on the Advanced SystemCare program icon to open Performance Monitor .
Immediately, Performance Monitor will be displayed on the desktop.
3. Click the right arrow icon on the Desktop Performance Monitor to maximize Performance Monitor .
4. In Performance Monitor, locate the Disk and then press the accelerate icon .
You can see that Advanced SystemCare Performance Monitor will automatically shut down some unnecessary programs to save more disk space. If the Windows process rundll32 consumed disk usage, ASC will help you temporarily disable it when needed.
Solution 3 – Disable Windows 10 Connected User Experience and Telemetry Service
In light of research and reports from many users, stopping the telemetry service for Windows 10 can, to some extent, fix Windows host process rundll32.exe high disk usage in Windows 10.
Actually, there is scientific evidence why you can try to disable this telemetry service from your PC. It is due to its use. The telemetry service collects the data from your system and makes a comparison with the data from your computer. From this perspective, it can cause risks to your system such as rundll32.exe high CPU.
1. Press Windows + R to open the box Run and then enter services.msc in the frame. then do click in Accept .
2. In the window Services , discover the connected user experience and telemetry service and right-click to go to your properties .
3. In the window Properties , look for the start type and then set it as disabled .
After that, press Apply Y Accept to save the changes.
4. Reboot your PC for it to take effect.
Now that the telemetry service has finished and you can see that the Windows host process rundll32 will not cause high disk usage in Windows 10.
Solution 4 – Uninstall Google Chrome app
Judging from the complaints, the Google Chrome engine can cause rundlll32.exe to keep appearing in Windows 10.
Since Chrome controls a lot of web data, you are supposed to remove it from Windows 10 in order to resolve Windows host process error.
1. Go to Control Panel .
2 in the Dashboard , set View by category and then click Uninstall a program in programs .
3. Then in the window Programs and characteristics scroll down to locate Google Chrome and right click to uninstall it .
4. Restart your PC.
Without Google Chrome, maybe rundll32.exe Windows error is gone from Windows 10.
Or here you can also uninstall third-party applications in control panel in hopes of preventing them from carrying viruses or threats to the rundll32.exe.
Solution 5 – Enter Safe Mode in Windows 10
The moment you are unable to fix Windows host process rundll32 disk usage error with the help of the above methods, you’d better try going into safe mode.
In safe mode, there is a minimal set of programs running in Windows 10, allowing you to find out the reasons for Windows host process rundll32.exe high disk or CPU in Task Manager.
1. Search msconfig in the search box and then press enter to go to the system configuration .
2. On the tab start , in Boot options , check the box for Safe Mode and then press Apply Y Accept .
3. Then in the next window choose Restart .
Then Windows 10 will reboot and when the system logs in again, you can notice your PC is in safe mode.
You will now have resolved the rundll32 Windows host process using 100% disk usage in Windows 10.
The above ways can help you to remove rundll32.exe high disk usage error in task manager in Windows 10.
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