How do I fix Windows Error 800B0100?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Windows error 800b0100 typically happens when there is a problem with Windows Update. This can be caused by a number of things, such as a corrupt file, a connection issue, or a problem with the update service. Sometimes, simply restarting the update service can fix the issue. If not, then checking for updates again may resolve the problem.

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1. Restart your computer and then try to update your computer

  1. Shut down your computer.
  2. Unplug your computer's power cord and then wait 30 seconds.
  3. Plug your computer's power cord back in and then wait until you see the startup screen.
  4. Press the F8 key to open the advanced startup options menu.
  5. Click the Restart button.
  6. Select the option to restart your computer in safe mode.
  7. After your computer restarts, press the F5 key to update your computer.

2. Run a virus scan on your computer

To run a virus scan on your computer, follow these steps:

  1. Open the Start menu and click All Programs.
  2. Click Accessories and then click System Tools.
  3. Click Virus Scanner.
  4. In the Virus Scanner window, click Scan.
  5. If the virus scan is successful, the results will appear in the Virus Scan Results window.
  6. If the virus scan is not successful, the Virus Scan Results window will contain a list of the viruses that were found on your computer.
  7. To fix the windows error 800b0100, click Fix All.

If you didn't find success with an option above, then try:

  1. Try to update your computer in Safe Mode.
  2. Try to update your computer using the Windows Update Troubleshooter.
  3. Reset the Windows Update Components.
  4. Delete the SoftwareDistribution folder.
  5. Install the updates manually.