Windows Update Assistant stuck at 99% during installation.

Many users want to get the Windows 10 Fall Creators Update as soon as possible. Some are using the Windows Update Assistant or manual installation. However, they're encountering a clear problem with older updates. As users report, the Update Assistant is prone to getting stuck at 99%.

The installation process works fine, however, there are issues in the final section. We have listed possible solutions to this problem. If you are having problems with the Windows Update Assistant, please refer to the list below.

Windows Update Assistant Stuck at 99%: How to Fix This?

Solution 1 – Wait for a while

Sometimes all you need is patience, and lots of it. According to Microsoft, the problem isn't a bug. Therefore, any update errors will be detected and reported quickly. We all agree that this particular bug isn't accompanied by an error message. All you have to do now is wait for the Windows Update Assistant to finish the installation. Finally.

Some users have also reported that the “99% Installation” was stuck for up to 24 hours. That’s quite absurd. Keep this in mind. We suggest you wait for at least 20 minutes. You can continue with the next steps if the Wizard is still stuck at 99%.

Solution 2: Temporarily ban third-party antivirus

Windows Defender offers excellent protection. However, some users prefer to use third-party antivirus software. This is a good option for several reasons. Third-party antimalware tools can occasionally cause problems on your system. You may need to disable some of these antimalware solutions to allow your system to update.

We do not recommend that you abandon third-party solutions in favor of Windows Defender. However, you can disable real-time protection for a short period of time until an update is installed.

Once you have completed the update, re-enable your antivirus.

Solution 3 – Disconnect peripheral devices

Windows Update in Windows 10 includes the drivers. This may explain the problem. Having too many outdated peripheral devices can complicate the process. To make it easier, disconnect all USB devices . Also disconnect any SD card readers or similar devices. This does not apply to the keyboard or mouse.

Once the process is complete, you can connect all devices and deal with the drivers later. You can try the procedure again without any peripheral devices if the problem persists. Continue troubleshooting if the problem persists.

Solution 4: Temporarily disable the connection

Some users were able to resolve the issue by disconnecting from their connection. Some users have noticed that connection stability can have a negative impact on the update process. It is possible to unplug your Ethernet cable and disable Wi-Fi. Then, look for any changes. After disconnecting your connection, they should be immediately visible.

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You can try to update the file again. Once the download is complete, disconnect the connection. This may not be possible for all users.

Solution 5: Restart Windows Update

Another option is to restart Windows Update. The service includes all aspects of the update process as well as the Windows Update Assistant. This service can sometimes stop working for unknown reasons, which will prevent the entire update process from completing.

To restart Windows Update, follow these steps:

1. Use the Windows search bar to type Services . Open Services .

2. Scroll down to reach the Windows Update Service

3. Press and hold the right mouse button. You can stop Continue with actions and click Start instead.

4. This will fix the problem and you can continue with the installation.

Solution 6: You can use Windows 10 Media Creation Tool

Sometimes the Windows Update Assistant fails to provide updates. There are several alternatives. The Windows 10 Media Creation Tool, which replaces it, is a much better option. You don't need to do a new reinstallation. The Media Creation Tool is similar to the Windows Update Assistant and can be used within an interface. The best thing is that you can continue using your PC throughout the process. It won't affect your productivity or take up much of your time.

Updating the Media Creation Tool is simple and easy. Just follow the instructions below to get it up and running quickly.

1. Download Media Creation Tool. Here's how it works. Follow this link.

2. Use the tool to accept the license terms.

3. Choose Get a new PC The download should begin

4. The media creation will start downloading after you have downloaded the files.

5. This should take between 1-2 hours, depending on your version of Windows 10, bandwidth, and other factors.

Solution 7: Perform a complete reinstallation

If you can't update your system multiple times, the only option is a clean reinstall. Windows 10 offers a simplified reinstallation process. Reinstalling used to be a complicated and lengthy process. To get bootable devices working , you only need the device creation software. A USB drive must have at least 4 GB of free space to create a bootable installation drive.

Since you are going to wipe the system partition, you should backup all your data. You may also need to backup your license keys.

If you follow the instructions, we will soon be ready to leave.

1. Download the Media Creation Tool from here . Follow this link.

2. USB flash drive can be connected.

3. Run Media Creation Tool. You accept the license terms.

4. Choose For another computer, create installation media (USB flash drive, DVD or ISO)

5. Click on the link to choose your language, edition or architecture . Next …………………………………………………………………………………………………………………………………………………………………………………….

6. Select USB Memory. Click here . Next.

7. The media creation tool can download and save the settings to the flash drive.

8. Now you should make sure to back up your data. Once everything is set up, it's time to back up your data. Restart your PC.

9. To bring up the boot menu on the initial boot screen, press F10 (F11) or F12. This may vary depending on your motherboard.

10. Choose USB flash drive used as primary boot device Windows 10 Setup It's important to start moving immediately.

11. You should follow the instructions and you will be fine.

It should work. If you have any questions about the “Installation at 99%” issue, please write them in the comments.

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