Why did I get error 0x80000455?

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 0x80000455?

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
0x00000010 0x80000454 0x80000451">0x80000452-0x80000451-0x80000450">0x80000453 0x80000451">0x80000452 Backpack Diff adblock support Avatar OBCOliver users servers Premium disabling fireemoji like Jiggles PMOTF2 consider chromium site please 0x80000451 debug mode Extended Notice item Invisible image VerySource unicodedata320c LOADOUT turn because displayed information here Click enabled spimyusb0x80000c000xatrue spimyusb0x800004ff0x9true spimyusb0x800004550x8true spimyusb0xc05 test burst write electronicvisionsvmodule 20120605 unicodedata320cv NetBSD 003954 master vmoduleusbconfigtestcpp christos size1286 0x800000AB0x800000BB0x800020260x800000A00x8000040B0x8000045B0x8000040C0x8000045C0x800004550x80002013 02042015 5f18004f45d42011719f0cb98e70a6f8f0c9f353 e4c31439828d356525b71ef81a6d61ea50d7d673 0x80000451">0x80000452-0x80000451-0x80000450">0x800004530x800004540x800004550x800004560x800004570x800004580x800004590x8000045A0x8000045B0x8000045C long 03042015 0x80000456 unicodedata3208csourcehtml 961dfsgP2 bind9 Back 06400 06399 index