Issue: How to fix "Autopilot.dll WIL error was reported" in Windows?
Hello. I have recently noticed a large number of errors in the Event Viewer, and all of them are marked as “Autopilot.dll WIL error was reported,” which also references “onecoreuap\admin\moderndeployment\autopilot\dll\dllmain.cpp” and error code 0x80070491. I never used anything related to that name, so my guess is that these are Windows files. Problems started when I upgraded to build 22598.ni_release.220408-1503 in the Windows Insider Program.
Windows performs hundreds and thousands of operations per minute, depending on what the user is doing with the device at the time. All these actions are logged in the Event Viewer, where users can see what precisely happened to numerous system components at a particular time.
Most of the logs in the Event Viewer are there for information purposes only and are rarely used by regular users. However, the app can be particularly useful when dealing with unexpected application errors or crashes that seem to appear out of a sudden. It can provide more details about the crash and point at issue associated with it, ultimately helping users to troubleshoot and find the solution.
“Autopilot.dll WIL error was reported” is one of the problems that many users have encountered recently. In the vast majority of cases, people start to investigate after they notice unexpected crashes or random system reboots, and the issue is associated with this particular event at the time of the crash.
Some people also reported technical issues due to the error, for example, that the laptop touchpad stopped working. These issues usually occur after the laptop or a desktop computer goes to sleep and then is woken up by the user.
In most cases, “Autopilot.dll WIL error was reported” was observed on Windows 10 or Windows 11 machines that were recently patched with the most recent updates and usually occurred for those who use Preview Builds. Nonetheless, users running regular Windows versions may also run into the error.
The error occurs dozens of times per hour, which can be really frustrating for people, especially if it causes various technical difficulties such as reboots. Therefore, it is important to find a fix for the “Autopilot.dll WIL error was reported” error as soon as possible. Unfortunately, the problem is not so straightforward and sometimes can't even be resolved unless a full Windows reinstall is performed.
Before proceeding with the manual methods below, we recommend scanning the system with ReimageMac Washing Machine X9 PC repair software – it could determine whether some underlying Windows issues are causing unexplained errors and fix them for you automatically.
Solution 1. Install the latest Windows updates
Windows Autopilot issues were known to Microsoft, as many people reported them. We recommend updating the system and seeing if that stops the frequent errors.
- Type Updates in Windows search and press Enter
- Click Check for updates and wait for Windows to download and install all the necessary files
- If optional updates are available, install them too
- Reboot the system.
Solution 2. Disable the Microsoft Account Sign-in Assistant service [workaround]
According to some user reports, disabling the Microsoft Account Sign-in Assistant service stopped the annoying errors. Keep in mind that disabling this service will prevent you from using the Outlook Calendar widget, Phone Link app, and similar services.
- Type Services in Windows search and press Enter
- Scroll down to find the Microsoft Account Sign-in Assistant service
- Right-click on the service and pick Properties
- From the Startup type drop-down menu, pick Disabled
- Then, select Apply and OK.
Solution 3. Disable XMP [if applicable]
XMP, which is a form of overclocking of system memory, could be the cause of the crashes. If you use a machine with this feature enabled, we recommend disabling it. Note that not all computers have it.
- Restart your PC and start repeatedly pressing F2, F8, F10, Del, Esc, or another button (refer to your motherboard manufacturer for the instruction) – this should boot you into BIOS
- Check Overclocking, Advanced, or similar sections to find the XMP feature
- Disable XMP and restart your system in normal mode.
Solution 4. Reinstall Windows
- Visit the official Microsoft website and download Windows 10 installation media (Windows 11 version)
- Double-click the installer and select Yes when UAC shows up
- Agree to terms
- Pick Create installation media (USB flash drive, DVD or ISO file) for another PC option and click Next
- Select the Use Recommended options for this PC checkbox and click Next
- Choose the ISO file and click Next
- Once you have prepared the ISO, put it into the malfunctioning PC
- Restart your machine and rapidly press F8, F10, F12, Del, or another button that would let you load into BIOS
- Here, go to the Boot section and set the boot priority to Flash drive
- Restart your system, and then proceed with on-screen instructions to reinstall Windows.
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