Why did I get error 0x800401EB?

Windows Update continous fails to search for Updates or cannot install them. The source of this problem could be various things as
> Windows Registry
> Windows Filesystem
> Internet access

> Windows Update service
> File corruption
> Misconfiguration
> Adware
> Virus and Malware

How to fix Windows Update error 0x800401EB?

However, if you’re technically savvy, you can try the steps below:

1. Click Start and start typing on your keyboard for "services.msc"

2. In your search results "services.msc" should show up. Open it with a click.
3. A new windows will open containing all Windows services on your system.

4. Search for "Windows Update"
5. Right-click the "Windows Update" and then click Stop.

We will now clean the Windows Update temporary cache folder:
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type %windir%\SoftwareDistribution\DataStore in this new window and click OK.
4. This will open Windows Explorer on the correct location.
5. Delete all contents of this folder. (Hint: Use Ctrl + A to select all files and folders)

Now we will start the Windows Update Service again:
1. Switch back to the windows Services.
2. Locate Windows Update.
3. Right-click on it and choose Start.


If the problem still persists, you can run the System File Checker (SFC) utility. This handy in-built tool will check your filesystem.
1. Click Start and start typing on your keyboard for "cmd".
2. In your search results cmd should show up with an black icon.
3. Right-click it and select Run as administrator.
4. If you are prompted for the admin password, enter the password and click OK.
5. A new completely black windwos will open. You can type commands directly into this window.
6. Type sfc/scannow and press Enter.
7. This process will take a long time. You can minimize this black windows and work on.
Come back to the black window after a time and check if the process finished.
As soon as the SFC process finished, restart your computer. After the restart you search for Updates again.


You are still facing the same issue?

1. Restart your computer.

Next thing is to clean Windows Update download path. These steps are only for expirienced user! If you mess up your computer with Regedit, you could loose your files! Take care or use a professional tool to investiagte your computer.
1. Hold your windows-key pressed and hit "R" key simultanous.
2. A small new windows will appear.
3. Type regedit in this new windows and hit Enter.
4. In the new windows you have a navigation on the left side. Use it to navigate to
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
5. Once you found it, search for WUServer and WIStatusServer in the right hand pane.
6. If they are not listet we cannot clean the download path. Othwerwise delete both.
7. Restart your computer.

Try to search for new Updates again.
You are still facing this issue? I think this is not an usual problem and your computer should be checked by professional.
Try to look for a solution here or search further in the search box below.



Advanced information

The following Windows verisons are affected by this error:
> Windows Vista
> Windows 7
> Windows 8
> Windows 8.1
> Windows 10
> Windows 10 Redstone 2
> Windows 10 Creators Update
> Windows Server 2008 R2
> Windows Server 2012
> Windows Server 2016
Moniker define Microsoft Error HRESULT file 0x800401EA 0x800401E9 operation Word32 MKENOTBOUND User open MKEMUSTBOTHERUSER 0x800401ED bound required succeed word32ToInt32 input MKECANTOPENFILE cannot 0x800401EC slower then Codes just MKENOSTORAGE MKENOINVERSE mKENEEDGENERIC mKELAST MSDN inverse class further might when with from 0x8004020C EVENTECOMPLUSNOTINSTALLED HRESULTinfo MAPIEUNABLETOABORT GTHREINVALIDSTARTADDRESS 0x80040DB2 COEAPPDIDNTREG 0x800401FE Registry MSERREF FHCFGECONFIGFILENOTFOUND 0x80040301 GHTRELOCALSERVERUNAVAILABLE 0x80040D79 will immdediately some cause effectbesides adverse occur annoying corrupt damage aviod 0x80040114 must which troubles order control STGEINVALIDFUNCTION 0x800401EE 1999 0x80030001 Center GitHub MKENOPREFIX MKEMIUSTBOTHERUSER 0x800401EF System winerrorh ErrorCode handling exception Solution manipulation FWGSxash3d Intermediate MKEINTERMEDIATEINTERFACENOTSUPPORTED 0x800401E8 failed Software Values 0x800401E7 extension 09032014 Notice master xash3dwinerrorh bindable MKENOTBINDABLE Generic happens heart kick importantThese something program responses lockups crashes regularly send technologies list Eventually aggravating down slow errors uninstalling First Windows begins problems displaying crash overloaded messages becomes getting determine begin confusing random Symantec Clear Possible Easily Away refer does There storage computer laptop normal like appear files while someday computers dont problem 2147221014 25042008 Support maintained 2147221015 various causes damaged 2147221011 This common 2147221012 2147221013