Why did I get error 0x80040DB4?

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 0x80040DB4?

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
been process filtering terminated Details 2013 Catalog search Context Application could Description content source Full completed Computer cannot httpdsvpis10 sind HRESULT eines find SystemIndex werden FilesMicrosoft Office CProgram from error schon Servers150DataOffice address Microsoft GTHREPIPENOTCONNECTTED Eintrge verfasst dabei Daten keine austauschen BasicEs Viktor dazu anschauliches means gibt Visual haben Beispiel Vielleicht Folgende Deine userdefined Komponenten designated returned codes methods GruSolveig pentzzsoltcom beliebigen Verwendung konfigurierten COMOLE Protokolls FACILITYITF c1wa046aaclocal management unter Interface Vallins This 13112012 cause group WSSWPG Windows Environment 2008 Trades Jack Control should Make index sure correct dont permissions cWindowsTemp ServerApplications items post will things finding with 02112012 Blog working Here ITPro fredag helpful november returns 2012 just resolution stuff Hope useful symbol genommen gern vllig Fehlermeldungen unspezifische StickyNotesS1521102967753824556425516636008861002notes ATULRSURIPC 23042010 wieder Immer beim Problem Starten Eventlog Fullcrawls einer Suche Neuinstallation folgendes trat crawl 2003 Sharepoint found contents crawling following notice when reindex attempt status Update turned 3036 Event httpmyportal root Each perform time ULSLog Code 30102014 konnte StickyNotesS15211306106307386405965014823700221001notes Inhaltsquelle httpwwwmicrosoftcomserversredirectcontentredirect2asp visit hardware Minecraftde Betriebssystemaussetzer wurde Filtervorgang beendet jemand Hatte abgeschlossen nicht Kontext Katalog Anwendung information start TechTaskSPServices httpwebapplicationtechtaskcom SearchServiceApplication crawled 06062013 ExceptionHR0x80070057HR Level User Warning 27072008 Help accessed more PortalContent Grund WebApplicationContent hierfr Technical Advanced