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
- Shut down your computer.
- Unplug your computer's power cord and then wait 30 seconds.
- Plug your computer's power cord back in and then wait until you see the startup screen.
- Press the F8 key to open the advanced startup options menu.
- Click the Restart button.
- Select the option to restart your computer in safe mode.
- 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:
- Open the Start menu and click All Programs.
- Click Accessories and then click System Tools.
- Click Virus Scanner.
- In the Virus Scanner window, click Scan.
- If the virus scan is successful, the results will appear in the Virus Scan Results window.
- 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.
- To fix the windows error 800b0100, click Fix All.
If you didn't find success with an option above, then try:
- Try to update your computer in Safe Mode.
- Try to update your computer using the Windows Update Troubleshooter.
- Reset the Windows Update Components.
- Delete the SoftwareDistribution folder.
- Install the updates manually.