Why did I get error 0x800401D4?

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 0x800401D4?

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
Error CloseClipboard CLIPBRDECANTCLOSE Failed Moniker using needs Operation Microsoft code hardware connected manually HRESULT 2147221036 deadline clipboard 0x800401E1 exceeded 0x800401E0 from invalid vote MKECONNECTMANUALLY search 0x800401D3 Data 0x800401E2 summary 2147746260 component returned MKEEXCEEDEDDEADLINE supplies CLIPBRDEBADDATA technologies Symantec list Generic determine which appears MKENEEDGENERIC SetClipboard Values MSERREF Support SystemCollectionsConcurrent GitHub SystemReflection SystemDiagnosticsContracts Windows Posted Win32Constantscs 0x800401D2 details httpmsdnmicrosoftcomenuslibrarycc231196aspx static public SystemThreadingTasks SystemThreading MicrosoftWin32 namespace handling 0x800401E3 2147221021 Solution unavailable 2147221024 25042008 2147221022 2147221023 function Sometimes removed deep 09032014 Center 1200015999 900011999 lists table match exactly Matching Unsigned This Symbols Interested Resources more learning Click Description stackoverflow msdn COMOLE means management Interface ErrorCode winerrorh symbol HRESULTinfo Type methods Signed Value designated FACILITYITF codes userdefined preserve added recently check delete meet does errors avoid diagnostics existing manufacturer system Remove disappeared faulty replace what down work above Stack contents 28052009 Overflow However ClipboardSetDataObjectiData workaround following equivalent When calling Exception