Why did I get error 0x800000CD?

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 0x800000CD?

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
AUDM Device error Remote Wiki node BDADDR Changed Properties Flags 1921682005 1963 0x800000CE Global Connect State TRUE Space WL18xx 0x800000CC numeric Keypad Bluetooth Stack Texas Instruments 052836131735 info 20150409 TFARTTESTRegularization TFDatasource size0x4 fwinfoendpointwidth2 Datasource type 09042015 idFitelctrlfifotx 0x800000CB NtProtectVirtualMemory 0x800000CA NtOpenSymbolicLinkObject xbecfg Build failed Jenkins NtPulseEvent NtQueueApcThread Ettentiondevelopers Advantech InvalidHomeModeEx PCI12851285E User Manual InvalidDirMode ReadFileFailed 0x800000d1 0x800000d0 0x800000cf AxHomeMotionFailed already ProductNameDetailed 0x800000CAread Value1033 STEMPluginTest Locale 0x800000CBwrite object 0x800000D1object 0x800000D0invalid 0x800000CCread 0x800000CDwrite into OSPF route inserting static ASBR 1958 0x00E177 101151 Network 05072016 Trouble KPAT AM335x KPSPACE StuartPBentleyCombinedKeyTable 08022011 29102015 0017E95066BC cisco 13022017 40B0FA0D77BC Demo 101222 FEDtoolsettingsaddrtablemultichanxml GitLab GitHub creating account 06092016 idxpoint address0x4 file idExample slaves development master TrinityCore WowPacketParserBattlenetRpcErrorCodecs 0x00B412 101312 World Contribute WowPacketParser Parser Warcraft Packet