When your Windows 10 Update Assistant is stuck at 99% or the Windows 11 Installation Assistant is stuck at 99% forever, do you know how to fix the issue? In this article, MiniTool Software will show you some easy solutions that have proven effective.
What Is Windows 10/11 Update Assistant?
Windows 10/11 Update Assistant is a Windows update tool that can help you directly update/upgrade your system to the latest version of Windows 10/11. Specifically, the update assistant for Windows 10 is Windows 10 Update Assistant, and the update assistant for Windows 11 is called Windows 11 Installation Assistant.
Using Windows Update Assistant to update your system to the latest version is one of the Windows update methods. If you can’t get the Windows updates via Windows Update in the Settings app, you can use Windows Update Assistant instead.
Windows 10/11 Update Assistant Is Stuck at 99%! How to Fix It?
It is not difficult to use Windows 10 Update Assistant or Windows 11 Installation Assistant to update your system. You can download it from the Windows 10 software download page (https://www.microsoft.com/software-download/windows10) or the Windows 11 software download page (https://www.microsoft.com/software-download/windows11) of Microsoft. After downloading, you can open the tool and follow the onscreen instructions to perform a Windows update. It will take a while to finish the entire update process. You should wait patiently.
However, some users report that they only waited for such a result of Windows Update Assistant stuck at 99% or Windows 10 Update Assistant stuck at 0/92/93 after a long wait. Some users even wait for more than 7 hours without any progress. For example, the following screenshot shows that Windows 10 21H2 Update Assistant is stuck at 99% forever.
A Windows update needs a long time to download and install the components and files for the update on your device. It is normal if the Windows Upgrade Assistant is stuck at 99% or 0% within 4 hours. However, if the period is longer than that, you have to consider that there is a problem with this update process. You need to take some measures to solve the issue.
We collect and summarize some easy and useful solutions to fix this problem. Now, we will introduce them in this post. You may not know which method is right for your situation, so try them one by one.
Tip: Back up Your Computer before Performing a Windows Update
In theory, updating your system using Windows 10 Update Assistant or Windows 11 Installation Assistant will not delete files on your device. But to prevent some unexpected problems, you’d better back up your PC using MiniTool ShadowMaker to safeguard your files and system.
MiniTool ShadowMaker is a professional Windows backup software that can run on all versions of Windows, including the latest Windows 11. You can use it to back up your files, folders, partitions, disks, and systems with some simple clicks.
- How to back up Windows 10?
- How to back up Windows 11?
This software has a trial edition. You can use it for free within 30 days.
Some users report that their Windows Upgrade Assistant is stuck at 99% for more than 7 hours or even forever. If you are also bothered by this issue, you can run setup from the Media folder to solve the issue. You should not restart your computer before doing this. Otherwise, the Media folder might be unavailable on your device.
Step 1: Press Windows + E to open File Explorer.
Step 2: Type C:\$GetCurrent into the address bar in File Explorer and press Enter. C:\$GetCurrent folder is a hidden folder. If you can’t see it, you need to unhide it first. You can click View from the top ribbon bar and make sure the Hidden items option is selected on Windows 10, or go to View > Show to select Hidden items on Windows 11.
Step 3: Copy and paste the Media folder to the desktop.
Step 4: Restart your computer.
Step 5: Use the same method mentioned above to open the $GetCurrent folder. Then, copy and paste the Media folder from the desktop to the $GetCurrent folder in the C drive.
Step 6: Open the Media folder and then double-click the Setup file.
Step 7: Follow the on-screen instructions to start the update/upgrade progress. When you see the Get important updates screen, you need to select Not right now and then select Next to continue.
Step 8: When the update/upgrade progress ends, you should go to Windows Update to check for updates and install the available updates on your device.
Solution 2: Temporarily Turn off Any Third-Party Antivirus Software
Windows has a built-in tool to supply anti-virus services for your computer. This tool is called Windows Defender or Windows Security. It is enough to have this tool on your computer. But some users still install third-party anti-virus software to get multiple protections.\
It is good to do this to protect your computer from viruses and malware. However, the software might block your Windows update if it makes a wrong judgment. To rule out this possibility, you can temporarily disable the third-party anti-virus software and check if the issue is solved.
Besides, you’d better choose a popular third-party anti-virus tool to offer reliable and stable protections for your device.
Solution 3: Disconnect the Peripheral Devices
The peripheral devices that are connected to your computer can also be the cause of Windows Update Assistant stuck. The outdated peripheral devices’ drivers can disturb the update process on your device.
It is easy to rule out this possibility. You can remove all the peripheral devices like Bluetooth devices, printers, USB flash drives, external hard drives, and more. Then, you can run the Windows 10/11 update to see if the issue is solved.
If the issue persists, you can try the next solution.
Solution 4: Temporarily Disable the Internet Connection
Some users said they solve the issue by disabling the internet connection temporarily. If the above solutions can’t help you solve the issue, you can also do this to have a try.
So, you can disconnect the Ethernet cable, or disable your Wi-Fi connection, and then check if there are any changes with the updating process. If the internet connection is the cause, there should be visible changes after you disable the internet connection.
Solution 5: Restart the Windows Update Service
Restarting the Windows Update service is an effective method to solve Windows Update issues like Windows 10 Update Assistant taking forever.
Step 1: Click the search icon in the taskbar and search for Services.
Step 2: Select Services from the search result to open the Services app.
Step 3: Scroll down to find Windows Update. Then right-click it and select Restart.
Solution 6: Run the Windows Update Troubleshooter
Windows has different kinds of built-in troubleshooters to fix issues on your device. The Windows Update troubleshooter is a kind of tool that can help you fix the issues you encounter when updating your system.
Run the Windows Update troubleshooter on Windows 10
Step 1: Press Windows + I to open the Settings app.
Step 2: Click Troubleshoot from the left menu.
Step 3: Click the Additional troubleshooters link from the right panel.
Step 4: On the next page, click Windows Update under Get up and running, then click the Run the troubleshooter button to run this tool to find and fix updates issues on your device.
Run the Windows Update troubleshooter on Windows 11
Step 1: Press Windows + I to open the Settings app.
Step 2: Go to System > Troubleshoot > Other troubleshooters.
Step 3: Click the Run button next to the Windows Update option. This tool will begin to detect problems and fix them automatically.
Solution 7: Perform a System Restore
If you have performed a system restore point on which the Windows Update Assistant can still work normally, you can perform a system restore via the system restore point. Then, you can run the Windows Update Assistant and check if run fully.
- How to perform a system restore on Windows 10?
- How to perform a system restore on Windows 11?
If you still can’t use Windows 10 Update assistant or Windows 11 Installation Assistant to update your system, you can use another tool to do the same job. For example, you can use Windows 10/11 media creation tool to update your system.
By using this tool, you can directly upgrade your PC. You can also use it to create an installation media, and then install Windows 10/11 from the USB drive.
Recover Your Lost Files on Windows 10/11
If your files get lost due to a Windows update or some other reason, do you know how to get them back? You can use professional data recovery software to rescue your files. You can try MiniTool Power Data Recovery, a free file recovery tool.
This software is specially designed to recover all kinds of files from different types of data storage devices as long as the files are not overwritten. For example, it can retrieve files from your computer hard drives, external hard drives, USB flash drives, memory cards, and more. This tool can work on all versions of Windows including Windows 11, Windows 10, Windows 8.1/8, and Windows 7.
Likewise, this software has a trial edition. You can run it to see if it can find your files. Then, you can use a full edition to recover your needed files without limits.
This software is user-friendly. With only some simple clicks, you can find your needed files and recover them.
Step 1: Download and install this software on your computer.
Step 2: Open the software. Then, it shows up all the drives it can detect on your device. Find the drive that previously saved the lost files. Then hover over that drive and click the Scan button to start scanning it. If you are not sure, you can switch to the Devices section and select the entire drive to scan.
Step 3: When the scanning ends, you can see the scan result. You can open each folder to find the files you want to recover.
Step 4: Upgrade to a full edition and select all your needed files. Then, click the Save button and select a suitable location to save these files. The destination storage drive should not be the original location of the lost files. Otherwise, the lost files might be overwritten and become unrecoverable.
Windows 10 Update Assistant is stuck at 99% or Windows 11 Installation Assistant is stuck at 99% on your PC? You should not worry about this issue. The solutions introduced in this article can help you solve the issue. You can just try out them and find a suitable one for you.
Should you have other useful solutions or suggestions, you can let us know in the comment. You can also contact us via [emailprotected].
- Fix 1: Wait for Windows Complete Windows 11 Update. ...
- Fix 2: Check Network Status. ...
- Fix 3: Check Windows Update Process through SoftwareDistribution Folder. ...
- Fix 4: Unplug Non-essential Peripherals. ...
- Fix 5: Use Windows Update Troubleshooter. ...
- Fix 6: Run System File Checker.
When your Windows 10 Update Assistant gets stuck at 99%, it indicates there was a problem during the final segment of the setup. To easily solve this issue, make sure to disable Windows Security by following the steps below. Follow our neat trick to check the connection of your peripherals.How do I fix a stuck Windows 11 update? ›
- #1. Leave your computer finishing Windows 11 update.
- #2. Run the Windows Update troubleshooter.
- #3. Check the SoftwareDistribution folder and restart the Windows Update.
- #4. Uninstall a conexant audio device in Device Manager.
- Wait for the Process to Complete. ...
- Remove Any USB Peripherals and Restart Your PC. ...
- Restart the Windows Update Service. ...
- Scan for Viruses. ...
- Run the Windows Update Troubleshooter. ...
- Boot Into Safe Mode.
Use Cleanup Tool to Free Up Disk Space. As Microsoft said, "64GB or greater available storage is required to install Windows 11", which means Windows 11 will take up a lot of space like Windows 10. So it is important to ensure your disk has enough room for system installation.How long does Windows 11 installation Assistant take? ›
If you're running a good connection in case of a cloud install or have good transfer speeds over USB then it should ideally take 10 to 20 mins at the maximum to install Windows 11 on your PC. This is also considering that you're not limited by your CPU, RAM, or HDD/SSD.How do you fix a stuck system update? ›
- Don't react too soon — it might not really be stuck.
- Check your update history.
- Restart your computer.
- Run the troubleshooter.
- Try the update in Safe Mode.
- Try the Windows Startup Repair.
- Start fresh with a clean install of Windows.
In my experience it takes about 60-90 minutes depending on the number of files, speed of the hard drive, amount of memory and CPU performance of the computer. This is after the download of course, which depends on your Internet speed.How long should Windows 10 update Assistant take? ›
Ensure that you have at least 10-12 GB of free space on your C: drive, and everything should go smoothly. The Windows 10 Update Assistant automatically starts the download of the latest version in a couple of seconds. If you're in a hurry, you can also start it manually by clicking or tapping Next.Why is my laptop stuck on restarting Windows 11? ›
Boot-related inconsistency – As it turns out, this particular issue can also occur due to some type of inconsistency that affects the boot-related data and prompts your PC to be stuck on the Restarting screen. To fix this issue, perform a startup repair from the recovery menu of Windows 11.
Update your PC firmware: Often, an outdated BIOS firmware of your device would cause the update to fail. To update BIOS firmware, go to the support page of your device from the manufacturer, look for BIOS update and install it. Make sure the power is not lost during the process.Why is my Windows 11 stuck at 100? ›
Reasons for Windows 11 Downloading Stuck at 100%
This is a normal situation, and the main causes are internet or power interruptions. If the Windows 11 update downloading process is interrupted, it can go back to normal when the interruption disappears.
This will take a while.” There are many reasons for the issue, but in most cases， it is caused by conflicts with software or drivers. Check if there is a lack of free space situation in your C drive. If so, clean up your C drive, make sure it has at least 8GB of space.How long does it take to download Windows 11 update? ›
Windows 11 takes around 20 to 30 minutes to install, but if you are upgrading from Windows 10 to Windows 11, then it really depends on the internet speed.Is win11 better than 10? ›
In short, updating to Windows 11 means a more snappy experience where apps load faster and your PC wakes from sleep with ease. Windows 10 fast, but Windows 11 is just a bit faster.Can you cancel Windows 11 update? ›
The steps are easy enough for a beginner. Press Window + R to open the Run window. Open the Services Window by typing services. Locate and pick the "Windows Update" option from the "Services" list, then click the "Stop" button.Why is Windows 11 so hard to install? ›
Windows 11 has slightly more stringent demands for its host system than previous versions of Windows, including needing more RAM, more dedicated storage space, and a much more recent-generation processor. If you've hit a brick wall when trying to install Windows 11, there's a good chance your PC isn't compatible.How do I bypass Windows 11 installation assistant? ›
- Bypass the TPM 2.0 and Secure Boot Requirements.
- Perform an In-Place Upgrade.
- Use the WinPass11 Guided Installer.
- Use a Registry Edit hack.
- Use PowerISO to Convert the WIM to ESD.
Begin by typing troubleshoot in search and click on Troubleshoot settings. You can also find troubleshooters in Start > Settings > Update & Security > Troubleshoot. Find Windows Update on the right and click on that, then Run the troubleshooter. Follow the prompts.Can I shut down my laptop while downloading Windows 11? ›
You should note that Microsoft nowadays uses Component-Bases Servicing (CBS), which ensures a device can successfully boot up after being randomly shut down during the installation process. So, switching off your device during this stage might not harm your computer.
Restart your computer using either the reset button or by powering it off and then back on with the power button. Windows will start normally and finish installing the updates. If the Windows update installation is truly frozen, you have no other choice but to hard-reboot.Is it normal for Windows update to take hours? ›
The time it takes for an update depends on a lot of factors including the age of your machine and the speed of your internet connection. Even though it might take a couple of hours for some users, but for a lot of users, it takes more than 24 hours despite having a good internet connection and a high-end machine.Can I interrupt Windows update? ›
Here you need to right-click "Windows Update", and from the context menu, select "Stop". Alternatively, you can click on the "Stop" link available under the Windows Update option on the top left side of the window. Step 4. A small dialogue box will appear, showing you the process to stop the progress.How long does it take to update Windows 10 to 11? ›
It may take between 10 and 20 minutes to update Windows 10 on a modern PC with solid-state storage. The installation process may take longer on a conventional hard drive.How do I reset a Frozen Windows 11? ›
Reset Windows 11 to the Factory Defaults
Open Windows Settings and select Recovery on the System tab. In the Recovery menu, choose Reset PC. Choose whether you prefer to keep your files or remove everything, then follow the on-screen prompts to reset your PC successfully.
Data Loss or Corruption. While your hardware won't take any damage from a forced shutdown, your data might. If you are working on any files when things go bad, then at a minimum you will lose your unsaved work. Beyond that, it is also possible that the shutdown will cause data corruption in any files that you have open ...Is it OK to force shutdown while restarting? ›
Most of the time there is no problem. Having said that, it is never “safe” to power off before completion of Shutdown. Power off during a Restart is a risk because there is not a way to determine where it is in the process. Usually, it won't hurt anything.How do I get Windows 11 back to normal? ›
- Click the Windows icon, then click the Settings (gear) icon. Alternatively, use the Windows+i hotkey to open the Settings menu.
- Scroll down, click Recovery, then click Go back. ...
- Follow the on-screen prompts to complete the downgrade procedure.
Causes of 'Windows 11 installation has failed' Error:
External hard drives connected to PC. Driver conflict or drivers are outdated. PC is not compatible with Windows 11 or PC doesn't meet Windows 11 requirements. Windows 11 installation failed in the safe_OS phase error.
Yes. You do not have to upgrade to Windows 11. Microsoft will continue to support Windows 10 until October 14, 2025. If I decline the upgrade, can I change my mind and upgrade later?
Although you can easily upgrade a Windows 10 PC to Windows 11, preserving installed apps, settings, and data files, you can't do the reverse. If you want to "downgrade" from Windows 11 to Windows 10, you have to do a clean install, which requires backing up and restoring your data files and reinstalling all your apps.Can I go back to Windows 10 if I don't like 11? ›
If you don't like Windows 11 or it's causing compatibility issues, errors, or other problems, you can quickly go back to Windows 10 with these instructions. To rollback, open Settings > System > Recovery and click Go Back. Skip update check, follow on-screen direction, and click Go back to Windows 10.What is the biggest problem with Windows 11? ›
According to Microsoft, some Intel "Killer" and "SmartByte" networking software is not playing nicely with Windows 11. This can cause Windows 11 PCs with said software to experience decreased Internet performance, most notably slower loading of websites and videos.How do you unfreeze a Windows 11 computer? ›
Force a Shut-Down for a Completely Locked-Up System
If those don't work, hold down on your computer's power button until you see a blank screen. Then, click the power button again to start up your system. This should temporarily remedy the frozen screen.
- Press Window + R to open the Run window.
- Open the Services Window by typing services.
- Locate and pick the "Windows Update" option from the "Services" list, then click the "Stop" button.