An easy guide to Fixing Error Code 800b0100

Error Code 800b0100 – What is it?

800b0100 is a typical Windows Update error. This error message occurs when you try to install the latest updates from Microsoft Updates and Windows Updates. The error message is displayed in the following format:

“Code 800B0100 Windows Update encountered an unknown error.”

Solution

Restoro box imageError Causes

Error code 800b0100 may pop up on your computer screen due to different reasons. However, some of the common causes include:

  • The file needed by Windows Update is corrupt or missing
  • Security software conflict such as Firewall
  • Incorrect Registry keys
  • Windows security .dll files are registered incorrectly

Further Information and Manual Repair

To resolve error code 800b0100 on your system, you don’t have to hire a professional. This error is quite easy to repair and requires no technical expertise. In other words, you don’t need to be a computer programmer or technically sound to repair this issue.

Here are some of the easy and effective DIY methods that you can try to resolve error code 800b0100 on your system:

Method 1

Download System Update Readiness Tool from Microsoft’s website on your PC. This tool can help you fix this problem that might prevent Windows Updates from installing.

Typically it will take 15 minutes or less to scan your entire PC.  The System Update Readiness Tool will scan your computer for inconsistencies that may cause errors to occur.

Method 2

Disable Security Software on your PC for example if you use Windows Vista then you will have Firewall already built in.

Disable it to resolve error 800b0100. To do this, simply go to the start menu and open the control panel and then select security. Now locate the option Windows Firewall and upon finding, simply choose the option Turn Windows Firewall on or off. Select off (not recommended) option, then click Apply and OK to reset and confirm changes.

After that, go back to the Windows Update screen and then click the try again button. The download and installation would start.

After the installation is complete, restart your PC to activate changes. Once the updates are successfully installed, not re-enable the Firewall, to ensure your PC is not exposed to potential security threats or viruses.

Method 3

Remove Invalid Keys from the Registry by downloading Restoro.

This is a PC Fixer deployed with a registry cleaner. It scans your entire PC and removes all the obsolete and unnecessary files like cookies, bad and invalid registry keys. It cleans and repairs the registry in a few clicks.

Click here to download Restoro.

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