Below we have described the causes in more detail:

Stopped Background Intelligent Transfer Service- Mainly, the error happens due to the stopped Background Intelligent Transfer Service. It is an essential service to download or transfer files between computers using idle network bandwidth. Thus, if this service is not working, you will encounter this error message. Hence, it is recommended to ensure that the service is running properly.Corrupt System Files- If your system files are damaged or corrupted, you might face this error. Try running the SFC or DISM commands to restore the corrupted files to fix this issue.Corrupt Software Distribution Folder- The software distribution folder is responsible for storing Windows update files. If the data under this folder is corrupted, you will encounter errors like this. Hence, try clearing the software distribution folder and downloading the updates.Interference of Third-party Application- It is also possible that some third-party applications or services are preventing you from installing the Windows update. Hence, either uninstall or disable the applications at the startup or perform a clean boot.Unstable Internet Connection- Another possible factor that can lead you to this error is an unstable internet connection. If other applications are using the network bandwidth and windows do not have much idle network bandwidth left to download Windows updates, you might encounter this error message.Stopped Windows Update Service- Windows update service is responsible for detecting, downloading and installing Windows updates. If this service is not running properly, you might have a problem while trying to update Windows.

1. Restart Background Intelligent Transfer Service

Background Intelligent Transfer Service transfers files between computers using idle network bandwidth. If BITS service is disabled, you will not be able to update your Windows as Windows update depends on BITS service. Windows update uses the BITS service to download updates with the help of unused network bandwidth. It is an essential component as it ensures that the updates will download when no other downloads are in progress. So if the applications use your network bandwidth, the downloading of Windows updates will pause until the task that is using the network gets completed. Follow the below steps to restart the service:

2. Run System File Checker

SFC or System File Checker is an inbuilt utility that repairs corrupted system files. Hence, executing the sfc command might help resolve your issue if the error occurs due to the corrupted system files. Here are the steps:

3. Perform a Clean Boot

Another way to fix this error is to perform a clean boot. It is a process that helps determine the source of a problem by preventing irrelevant services and third-party applications at the startup. Therefore if there is a program or service preventing you from updating the Windows by displaying the error message, performing a clean boot might help. Below we have given the instructions to perform a clean boot:

4. Run Windows Update Troubleshooter

Microsoft provides troubleshooters for their components to fix common issues by restoring corrupted files, restarting the service for a particular component, and others. You can find the Windows update troubleshooter in the troubleshooting settings and it is worth it to run the Windows update troubleshooter by following the steps below:

5. Clear Software Distribution Folder

If the error is not fixed yet, another solution you can try is to clear the software distribution folder. There is a chance that your software distribution files are corrupted, which is why you are receiving this error message. If you don’t know about software distribution, it is a folder that stores the files downloaded from the Windows update utility. If the files under this folder are corrupted for some reason, you will encounter issues while updating Windows. Therefore, If there is a corrupted file that is leading to this error message will be deleted when you clear the software distribution folder. Below we have outlined the steps:

6. Restart Windows Update Service

Another reason for this error can be a stopped Windows update service. If this service is not running, you will face issues as it detects, downloads and installs Windows updates. Therefore, it is recommended to check the service status by following the steps below:

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