What is Windows Modules Installer Worker?

Windows Modules Installer Worker is a system process you can spectate in Task Manager. It runs in the background, together with tens of other Windows processes. A lot of users do not know about its purpose, and think it is a virus or something that may harm their computer. In this post, you will see what is the purpose of the Windows Modules Installer Worker process, and why it is needed for the correct system functioning.

What is Windows Modules Installer Worker?

This internal system application, also known as TiWorker.exe, is needed for correct update installation. Numerous updates you get while making use of Windows 10 are installed with the help of this system process. Since 2016, when Windows 10 adopted the rolling release updates, Microsoft releases the updates each second Tuesday of every month. In these patches, the company fixes the bugs, improves different security aspects and makes different changes to system settings. All these changes are targeted on increasing stability and security of the operating system.

Windows Modules Installer Worker

Windows Modules Installer Worker in Task Manager

Besides the system patching, Windows Modules Installer Worker is responsible for system components installation or uninstallation. When you decide to remove or install, for example, Films&TV, Calendar or Maps applications, this service takes control of the process. It manages the correct order of operations, so all of these system programs are installed correctly and working well.

Can I stop Windows Modules Installer Worker?

This process is vital for correct update installation. If you want to have the latest version of Windows, it is better to keep it enabled. Sometimes, this service can consume significant amounts of hardware capacity, especially on weak systems. That does not mean that something is wrong with your system or this process. If you see that Windows Modules Installer Worker constantly consumes your hardware, try to run the official troubleshooting guide for update errors. Keeping your system up to date is very important in cases when we are talking about security. Microsoft constantly patches possible security holes, and there is no way to patch your system besides the update installation.

The times when you can stop the Windows processes to increase the system performance have passed long ago. When Windows XP was the last actual OS version, computers were quite weak, and their upgrade was quite expensive, disabling several services could really make your PC faster without any significant problems. Nowadays, such tricks can make things even worse. If you don’t want to get the updates for your system without your allowance, it is better to use another way. In Settings, go to “Network and Internet”. Then, click the “Data usage” button. In the appeared menu, choose the “Enter limit” option to set the network traffic limit. You can enter the number you want, and system will not use this network to download the updates.

Set data limit Windows Modules Installer Worker

How can I understand that this process is a virus?

There are no reported cases of the facts when malware used the name of this process. Usually, malware creators name the processes their virus creates as TiWorker.exe to hide it from the user. Sometimes, users raise suspicion because of quite visible signs of something wrong. In this case, the best solution is to scan your system with anti-malware software. My choice for solving this problem is GridinSoft Anti-Malware1.

Removing the viruses with GridinSoft Anti-Malware

  • Download and install the GridinSoft Anti-Malware. After the installation, you will be offered to perform the standard scan. Apply this action.
  • GridinSoft Anti-Malware during the scan process

  • Standard scan lasts up to six minutes and checks the system files together with the files of the programs you have installed on your computer.
  • GridinSoft Anti-Malware scan results

  • When the scan is complete, press “Apply” to wipe out the malicious items that are present on your PC.
  • Malware removing with GridinSoft Anti-Malware

    Frequently Asked Questions

    Can I just delete the process from the root directory?

    No. In case if the process belongs to the legitimate system element, you will not be able to edit the root directory of the system, where it is stored, without granting yourself permission for this action. And its deletion will surely lead to the loss of certain system functions, which may be needed in future.

    Is it possible to decrease the hardware consumption of this process?

    That process consumes literally nothing, so you will likely see no occasions when there is a need to make it less greedy with resources. However, if you see that it takes more than 20-30% of your CPU and the same amount of RAM, it is likely a virus. Perform the guide I wrote above.

    How can I know this process is malicious without checking its root directory?

    As was mentioned in the previous question, the CPU/RAM consumption of the original process is very low. So, the TiWorker.exe process that uses a lot of hardware capacity is definitely a virus. Another way to understand that this process belongs to a malicious program is its location inside of the Process Explorer. System processes are listed in the corresponding thread, so that process’ application among the user’s background processes is a sign of malware presence.

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    References

    1. Reasons why I recommend you to use GridinSoft Anti-Malware.
    What is Windows Modules Installer Worker?
    Article
    What is Windows Modules Installer Worker?
    Description
    Windows Modules Installer Worker is an internal system process that is responsible for correct update installation. It also handles the installation of system components.
    Author
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    HowToFix.Guide
     

    About the author

    Wilbur Woodham

    I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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