Why did I get error 0x80006600?

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 0x80006600?

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
word Uploading Image View 0x80006500 0x80ff9966 0x80cc9999 0x80660066 0x80cc6600 0x809999ff 0x8099ff99 0x8099cccc 194613543 GitHub topic Thread RetroBSD 20120912 0x8033cc33 0x80ff6666 0x80cc99ff 0x100 gagglegenomebrowserAnotherAttemptAtImportTrackjava Address Size Gaggle Genome master repository Write stbfontarialbold30latin1inl Wait 12092012 0x000000000x4c0000000x018800090x800066000x031000190x44033100 Succeeded Sent Download Response error device 09042013 GSMForum ChartDirector 0x8099cc66 1230660110 Support 0x80006700 gagglegenomebrowser development Browser Contribute 0x80006800 chartdirh creating account dadwarf nicht Hoffe kann rjmp Warum funzt Beitrag melden Bearbeiten jemand helfen Danke setup clock 0x55555555 endian little 0xDEADBEEF wankelmtig Mikrocontrollernet 80006600 0x66666666 AVR32 Interrupt Fixed unused case what piece 0x8000660067fc seemed nearby location ints used Also increment high useable 0x800066000x800067fc Position looks like Microchip TCPIP Stack Comments please Integrating