How to fix Error code 0x800b0100 on windows 10?

Question

Just this last week I received the error code 0x800b0100 and in update history see that

Cumulative Update for Windows 10 Version 1511 (KB3140743) failed to install on 07/10/2020

and each day after that I have the same message.

Any ideas out there what is happening.

Answer 1

Restart Windows Update components:

• Make use of the shortcut Win Key + X to open the Power Menu.
• Select Command Prompt (Admin) on the Power Menu.
• Type the following command and press Enter to stop the BITS, Windows Update, Cryptographic, MSI Installer services.

net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc

• To delete qmgr*.dat files, copy and paste the below command and press Enter.

Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat”

• Then, type the following command and press Enter.

cd /d %windir%\system32

• To re-register the BITS files and the Windows Update files.
• Type the following commands one by one and press Enter after each command.

regsvr32.exe atl.dll
regsvr32.exe urlmon.dll
regsvr32.exe mshtml.dll
regsvr32.exe shdocvw.dll
regsvr32.exe browseui.dll
regsvr32.exe jscript.dll
regsvr32.exe vbscript.dll
regsvr32.exe scrrun.dll
regsvr32.exe msxml.dll
regsvr32.exe msxml3.dll
regsvr32.exe msxml6.dll
regsvr32.exe actxprxy.dll
regsvr32.exe softpub.dll
regsvr32.exe wintrust.dll
regsvr32.exe dssenh.dll
regsvr32.exe rsaenh.dll
regsvr32.exe gpkcsp.dll
regsvr32.exe sccbase.dll
regsvr32.exe slbcsp.dll
regsvr32.exe cryptdlg.dll
regsvr32.exe oleaut32.dll
regsvr32.exe ole32.dll
regsvr32.exe shell32.dll
regsvr32.exe initpki.dll
regsvr32.exe wuapi.dll
regsvr32.exe wuaueng.dll
regsvr32.exe wuaueng1.dll
regsvr32.exe wucltui.dll
regsvr32.exe wups.dll
regsvr32.exe wups2.dll
regsvr32.exe wuweb.dll
regsvr32.exe qmgr.dll
regsvr32.exe qmgrprxy.dll
regsvr32.exe wucltux.dll
regsvr32.exe muweb.dll
regsvr32.exe wuwebv.dll

• In order to reset Winsock, copy and paste the below command and press Enter.
• netsh winsock reset
• Copy and paste the below command and press Enter.
• netsh winhttp reset proxy
• To restart BITS, Windows Update, Cryptographic, MSI Installer services that were stopped at first.
• Type the following command and press Enter.

net start bits
net start wuauserv
net start appidsvc
net start cryptsvc

• Finally, restart your PC.

  Run sfc / scannow and DISM tools:

• Go to the start menu
• In the search column, type as Command Prompt.
• Right-click on the Command Prompt and select Run as Administrator.
• Type the following command and press Enter.

sfc /scannow

• It takes approximately 10-15 minutes for completion.
• Type the following commands and press Enter after each.

DISM.exe /Online /Cleanup-image /Scanhealth
DISM.exe /Online /Cleanup-image /Restorehealth

• Now, Restart your computer.

  Perform a Clean Boot:

• Make use of the shortcut Windows + R to open the Run command dialog box.
• Type msconfig in the given space box of Open and click OK.
• In the System Configuration window, click the Services tab.
• Check in the Hide all Microsoft Services and click Disable all options.
• Click OK.
• Now, press Ctrl + Alt + Delete to open Task Manager.
• Click the Startup tab and disable programs that are set to boot during Windows startup.
• After completion of the above steps, restart your PC.

  Update Windows Services:

• Make use of the shortcut Windows + R to open the Run command dialog box.
• Type services.msc in the given space box of Open and click OK.
• In the Services window, on the left pane locate Windows Defender Antivirus Service.
• Double-click on it and click the dropdown arrow of Startup Type and set it to Automatic.
• Finally, click Apply and OK to save the changes.

Find more information on https://windowsjet.com/fix-error-code-0x800b0100-on-windows-10-3612/

Please feel free to let us know if you need further assistance.

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