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How to fix windows host process rundll32 high disk usage


In the computing world, it is common that when a program and tools begin to bear a greater load in processing software data, they begin to exhibit various types of errors and interruptions. Central processing units (CPUs) are designed to handle the appropriate pressure of a user’s workload, but not all CPUs are created equal. Some are made for office purposes, while many others are intended for home computers. If you are using a Windows operating system, you are likely to encounter a rundll32 error many times. In this article, we will analyze the causes and solutions of this error in detail.

Problem: High disk usage by the rundll32 Windows host process

There are different types of. DLL processes in the computer that arise due to excessive use of programming tools and multitasking. The appearance of this error slows down the system process and can cause some applications on your computer to suddenly shut down while you are using them. These errors are caused by several .dll files, or “Dynamic Link Library,” which are responsible for various types of errors in the system. If these problems are not resolved promptly, they can cause serious disruptions in your daily activities.

.dll files are widely spread and attached to many system software and tools, creating interactions when accessing computer data. It has been noticed that this problem often occurs during heavy disk usage.

Method 1: Disable Task Scheduler Items

Step 1 : Open Administrative Tools in your computer’s search menu by pressing Windows + S button .

If you are using a Windows operating system with high load processes and high disk usage, the rundll32.exe issue may be responsible for the high CPU disk usage. Many users have faced this problem and found an effective solution in disabling Task Scheduler items. This option can be restored in the future if you want to return to normal settings.

Step 2 : In the administrative tools opened in Control Panel , look for the option of customer experience improvements .

Step 3 : When you find the Task Scheduler, go to the customer experience improvements option .

Step 4 : In this menu, you will find advanced settings in the edit column, where you can find the option to disable items .

Method 2: Turn off telemetry services

The system is programmed to collect information from different types of data in the system and deliver it to the user based on his preferences. Many programs learn by themselves to provide the best results to the user in the future, and this is why the computer is called artificial intelligence. The performance of this type of service can cause high disk usage in the CPU, so it is important to adjust and correct it promptly.

Step 1 : Open the Run window by pressing Windows + R keys on your keyboard.

Step 2 : This will take you to a dialog box where you will have to type “services.msc”, and a new window will open.

Step 3 : You will find a dialog box where you will have to look for the connected user experience column and open its settings.

Step 4 : After opening the settings, in the general menu you will find the option to turn it off . Apply this setting and click OK.

Method 3: Rename aienv.dll

When using a Windows operating system, you can find library services with the name mentioned above. It is simply a file used to enable multiple functions in your system, created by applications installed on your computer. Many users say that renaming this file can fix rundll32 high disk usage problem. To rename this file, follow these simple steps.

Step 1 : Go to the system32 folder of your C drive in the system.

Step 2 : Navigate to the folder and look for the aeinv.dll file. Once found, right-click and select Rename.

Step 3 : After renaming the file, make sure to restart your computer to avoid loss of important files.

Method 4: Uninstall Google App Engine

This engine is responsible for developing applications linked to the web portal in the system. This application works automatically in the system to improve its performance and output of software related to Google web services. Very often, installing this engine can cause high disk usage and rundll32.exe problem in your system. To fix this problem, follow these simple steps to uninstall the Google App Engine.

Step 1 : Open the Control Panel in your computer via the Run application window.

Step 2: Search for “Uninstall a program” in the programs menu.

Step 3: Search for Google App Engine in that window and proceed with uninstallation.


Follow these methods and techniques to resolve the rundll32.exe issue, which causes high disk usage and annoying interruptions while running various applications and software. All the mentioned methods are safe to use and will not harm your system data and files.

Frequent questions

1. What is rundll32.exe file?

The rundll32.exe file is a system process in Windows that handles calls to dynamic link libraries (DLLs) used by various applications. The rundll32.exe error can occur when there is excessive CPU or disk usage by this process.

2. Why is high disk usage a problem?

High disk usage can significantly slow down your computer’s performance, cause delays in running programs, and even lead to unexpected application crashes. It is important to fix this issue for a smoother computing experience.

3. Can I safely disable telemetry services?

Yes, you can safely disable telemetry services by following the instructions provided in method 2. This can help reduce excessive disk usage.

4. What happens if I rename the aienv.dll file?

Renaming the aienv.dll file can help resolve the rundll32.exe error caused by this file. Make sure you follow the instructions carefully and restart your computer after renaming the file.

5. Is it safe to uninstall Google App Engine?

Yes, it is safe to uninstall Google App Engine if it is causing high disk usage and rundll32.exe problems. Make sure you follow the instructions in method 4 to uninstall it properly.



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