Why did I get error 0x800000B3?

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 0x800000B3?

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
0x22 Router write 17226010 MmQueryAddressProtect 0x800000B2 Link state summaryn prilepy 192168101 target MmPersistContiguousMemory bits Separator 19216853 19216854 halted 0x800000B1 MmMapIoSpace MmLockUnlockPhysicalPage 0x800000B0 Olimex Thumb poll SAM7S256 shoxxdjHackingStuff GitHub master extents HackingStuffxbecfg topic ARMUSBOCD View SparkFun Electronics 68131600 1049 0x800003b6 6611610910132 Lists 1509 0x719c 0x800000b4 camerascale10 0x800000b5 cameray90 0xdec1 6813160023 20022015 Supervisor cpsr 0x002001de mode debug request current 0986 ospfd troubles Quagga xbecfg quaggausers 9606 infork 1850 0x83e4 760008 Route 76000 101058 vyattavyatta First CSPF Packet Constrained Shortest Path CkSum ThousandsSeparator Thousands DECIMALSEPARATOR StuartPBentleyCombinedKeyTable Wiki 08022011 Decimal Brocade External States show ospf database Corner failed filename 19012011 xfsfsr returns XFSIOCSWAPEXT 21999 extent format numextents 41361301118 xfsswapextentbefore temp 671015 0x5e1b 0x800000bc v322 11082012 0x1a91 1657 issue 1721610 17216164 17216100 MikroTik RouterOS Forum