How to Fix Window Update Error Code 800b0100?

Microsoft Office is the trusted software used in all the organizations. It is developed by Microsoft for home and business purpose. This software helps the user in many different ways such as formatting, editing, creating text document and also used for making presentation. You can install this trusted software through It offers user friendly interface but some users face the Window Update error code 800b0100. In this blog, you will read the solution of this error code.

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Fix Window Update Error Code 800b0100:

  • Run Windows Update Troubleshooter:

For this, you have to press Win + I to open Settings. Then you have to Choose Update and Security option. After this, just click on Troubleshoot from the left side. On the right side, you have to select Windows Update and then click on Run the troubleshooter. Follow all the instructions to complete the process. Check the error is solved or not.

  • Use System Update Readiness Tool:

First you have to download System Update Readiness tool by going to the official website of Microsoft i.e. Now, follow all the instructions to install it. In the Windows Update Standalone Installer window, just you have to click on Yes option. Once the System Update Readiness tool is installed, it will scan your PC. After this, just click on Close.

  • Install Windows Update Manually:

For this, you have to search for Microsoft Update Catalog. Then enter the update number which you want to download and then press Enter key. Now select the update according to your operating system. Then just click on Download button to download the update. Just click on Browse to choose a location, and then just click on Continue to save it. After this, just click on Close option. Now open the update package and double-click on it to install the update.

  • Disable Antivirus Software or Windows Firewall:

First just press Win + R to open Run window. Then just enter control panel in the box and then you have to click on OK button. In the pop-up window, you have to select System and Security. After this, just click on Windows Firewall. Now click on Turn Windows Firewall on or off option. Here you have to select Turn off Windows Defender Firewall and then click OK button. with key code, or, Microsoft Office Online - Word, Excel, and PowerPoint on the web, www office com setup, office setup

Delete or Rename the Software Distribution Folder:

Stop Windows Update Service:

To modify Software Distribution folder, you have to disable Windows Update service. You have to enter services.msc in Run window and then just press Enter key. In the pop-up Services window, you have to right-click on Windows Update and then just select Stop option from menu. After this, you should exit Services and then just delete/rename the folder.

 Delete/Rename the Software Distribution Folder

For this, open File Explorer and go to C:\Windows folder and locate Software Distribution folder and then you have to delete it, or rename it.

  • Run System File Checker:

For this, you have to click on Start menu. Then you have to type cmd in the search box. After this, right-click Command Prompt and then just choose Run as administrator. Now you have to enter sfc /scannow and then press Enter key. It will scan the system for file issues. Wait for some time and then exit Command Prompt. At the end, restart the computer.

  •  Update Your Drivers:

For this, go to Control Panel and then select Hardware and Sound option. After this, choose Device Manager. Then you have to double-click a category to expand it. Now, right-click a device and then select Update Driver Software. In the pop-up window, you have to click on Search for updated driver software. Then it will download and install the latest driver for your device. You have to follow the instructions to complete the process. Now restart your computer.

  • Re-register Wintrust.dll File:

For this, you have to run Command Prompt and then enter the commands one by one and press Enter key after each command.

regsvr32 wintrust.dll

net stop cryptsvc

ren %systemroot%\system32\catroot2 oldcatroot2

net start cryptsvc

After this, you can try updating your Windows and then just check if the issue has solved or not.

If you are still facing any problem then you can contact the customer care executive anytime. For information, you can go to the website of MS Office via