Why did I get error 0x8004180C?

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 0x8004180C?

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
define CIEBUFFERTOOSMALL Windows WINECIERRORH CIEPROPERTYNOTCACHED false with Microsoft would CIEALREADYINITIALIZED NTSTATUS buffer conflicts future MSDN there Error even MSWSP ifndef they protocol issues However cause 0x8004180A value already long CIENOTINITIALIZED numbering spaces Note HRESULT currently identical meaning overlapexcept FACILITYITF small COMOLE Code 0x8004180b Interface 0x8004180d CIEINVALIDSTATE management Reserved 0x80041791 0x80041790 0x80041780 0x80041792 0x80041783 0x80041782 0x80041785 0x80041784 Report Crystal Parameters Subreport 0x80041811 0x80041810 VBScript 0x8004173E a79929 MinGWw64 HRESULT0x8004180D HRESULT0x8004180C include McCormack 11072006 WineHQ CISWORKIDDELETED 01122017 Search December Release HRESULT0x8004180F HRESULT0x0004180E HRESULT0x80041810 CIEFILTERINGDISABLED Mike created opened line rassamplesenaspMigrationparameterfieldCompensatoryPayoutParameterTrialasp clientdocdll 22062012 been document seems work process suppling matter syntax find parameter supply 0x8004173D Name Description source Origin Facility 0x004 Values filter corrupt 6156 0x180c HelperFunction Failure designated userdefined codes HRESULTinfo symbol means 2147215348 Flags Severity returned from methods object CiErrorh ErrorCode 0x800416A2 GitHub 0x8004180f win32 0x80041738 0x80041739 0x8004173B 0x80041730 0x80041736 0x80041737 CyberShadowverysleepy1 Mismatch cardinality machinescatalogsscopes initialized CIECARDINALITYMISMATCH 0x80041827 STATUSINSUFFICIENTRESOURCES verysleepy1cierrorh master CIECLIENTFILTERABORT 0xC0041824 Errors