If you are running Windows Update on your Windows 10 computer and you suddenly encounter error code 0x8000FFFF, E_UNEXPECTED – Unexpected failure then read on as this post will give you a couple of suggestions to resolve this problem. Note that you can encounter this error not only on Windows Update but also on Microsoft Store apps at times.
Follow the options given below to fix error code 0x8000FFFF, E_UNEXPECTED – Unexpected failure error on your Windows 10 PC.
Just like browsers, Microsoft Store also caches as you view apps and games so it is most likely that the cache is no longer valid and must be removed. To do so, follow the steps below.
net stop wuauserv
net start cryptSvc
net start bits
net start msiserver
After resetting the SoftwareDistribution folder, you need to reset the Catroot2 folder to restart the services you just stopped. To do that, follow these steps:
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
You might also want to check the permissions on the root of C: and make sure that “BUILTINUsers have read access because if it doesn’t, then no wonder why you’re getting the error code 0x8000FFFF.
The Media Creation tool in Windows allows you to use the ISO installation file to make a bootable device that you can use to install Windows on your PC. Note that this is kind of different from the usual installation process as it could erase your computer’s current settings and data on the primary drive. Thus, before you proceed, you need to backup all your data into some removable drive and then use the Media Creation Tool to make a bootable drive.
It could be that some third-party application is the one that’s causing the problem so it’s best if you put your computer in a Clean Boot state. During this state, you can start the system with a minimum number of drivers and startup programs that will surely help you in isolating the root cause of the issue.
Note: If you are able to install the app without any trouble at all then it means that the error is caused by some third-party application in your computer. You need to look for the culprit and uninstall it once you found it.
Running the built-in Windows Update troubleshooter is one of the things you can first check out as it is known to automatically resolve any Windows Update errors like error code 0x8000FFFF. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

⊞ WINDOWS + N - notification panel
⊞ WINDOWS + W - News and Interests feed
With the News and Interests feed, Windows 11 offers users the ability to check the latest news, the weather, and more without opening a browser window.
⊞ WINDOWS + Z - Snap Layout
Instead of the usual two windows snapping capability, Windows 11 allow users to snap their windows in a three-column layout. Users can access this by pressing Windows Key and Z to access the Snap layout.
⊞ WINDOWS + PRT SCN - taking screenshots
This one isn’t exactly new, but pressing the Windows Key and Print Screen will automatically capture the entire screen and save a copy of the image on your PC. Once the screen flashes, you will know that the screenshot has been taken, after which you can find the file saved under your Pictures folder in a subfolder called Screenshot.
⊞ WINDOWS + C - Microsoft Teams chat
Microsoft Teams app, the service allows anyone with a Microsoft account to quickly start a chat using the Windows + C shortcut. The Get Coupons Fast Toolbar is a Browser Extension for Google Chrome developed by Mindspark Inc. This extension allows quick access to the most popular coupon websites available. While this might look like a good useful idea, keep in mind that it has been classified as a Browser Hijacker by Several anti-virus applications.
When installed this extension will hijack your new tab page, changing it to a customized version of Search.MyWay.com. While active It records user browser activity, this data is later used to better target ads. While browsing the internet with this extension installed you will see additional pop-up ads, sponsored content, and injected ads into your browser search results and pages. GetCouponsFast usually comes bundled with other PUP-s or Browser Hijackers that may harm your computer and it is recommended you remove it from your PC.
Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}
When downloading a Windows update, it is important to remember that these updates are what keeps your computer safe. Some users have reported seeing error code 0x80070490 when allowing updates for their Windows PC. This error code may appear when the user is trying to connect to the update site for Windows and maybe a result of a corrupted CBS manifest. Having this error code will not only stop the update of the system, but it will also certainly halt any work being done with the computer. Quite a few Windows users have written in complaints about this error while updating from any prior Windows update to Windows 10.
Common symptoms include:
There is not a lot known about what exactly causes the error code 0x80070490, but it is something critical that makes Windows abruptly stop its updates. It could be caused by a simple glitch in the computer system, or it could be caused by a larger problem. One thought is that the CBS (Component-Based Servicing) manifest can be corrupt. Another thought is that the computer's anti-virus software may be interfering with the computer's ability to perform the necessary updates.
There is very little information known about error code 0x80070490 and why it exists, but there are a few methods in which to correct it. Users should be careful when trying to fix this error themselves. If the user feels that the methods are too complicated or they are uncomfortable taking it on themselves, they should contact a Windows repair technician to fix the problem. Not all methods listed will suit the user's needs, but it is dependent upon the problem at hand as to which method will be the best fit to fix the error code. If these steps are taken and the error is not corrected, it is vital to contact the Windows repair technician.
Create a new local account on the computer, and allow administrator privileges on it. Next, move all of your documents and personal files to the new account. Delete the old account (you will no longer be using this) and switch over to the new one. After switching to the new local account, add the Microsoft account to it.
Press the Windows key and R. Then, type in services.msc. After the Services window starts up, find the following services: BITS, MSI Installer, Cryptographic, and Windows Update Services. When these services are found, make sure that they are up and running. If one or more of these services is not running, make sure that they are started. To do this, select the service and then click on Start the Service.
Press the Windows key plus W and then type in “troubleshooting”. Select Troubleshooting. On the top left corner, select View All. Click on Windows Update troubleshooter. After this, follow the on-screen instructions in order to run the troubleshooter. After the troubleshooter has run, the issue should be fixed.
Error CausesHKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftBiometricsCredential Provider
Computer Configuration > Administrative Templates > Windows Components > Biometrics