Symptoms When you are trying to install some Windows updates KB955430, KB2687455, KB2621440, KB2667402, KB2641653, KB2665364, KB2647516, KB2654428, KB2631813, KB2644615, KB2584146, KB2585542, KB2633879, KB2656355, KB2656356, KB2544521, the error code 80244018 may occur, it looks like this on your computer:

Windows Update

Windows could not search for new updates

An error occurred while checking for new updates for your computer.

Error(s) found:

Code 80244018        Windows Update encountered an unknown error.
                     Get help with this error

Most recent check for updates:    01/13/2018 at 12:16 AM
Updates were installed:           07/27/2017 at 2:56 PM.  View update history
You receive updates:              For Windows and other products from Microsoft Update

Get updates for other Microsoft products. Find out more

Cause This issue can be caused by the following factors:
  1. Some third-party programs affect.
  2. Windows Update Server is set incorrectly.
  3. Corrupted Windows Update Temporary folders.
  4. System file is corrupted.
Resolution You can follow these steps below to fix the issue: Step 1: Disable third party programs. Sometimes, third party programs such as firewall, antivirus, Internet and so on, which can prevent the connection between Windows and Windows Update Server. Fowllow the steps to disable third party:
  1. Click the “Start” Button, type “msconfig” in the search bar and press Enter.
  2. Click the “Services” tab, check the “Hide All Microsoft Services” box and click “Disable All” (if it is not gray).
  3. Click the “Startup” tab, click “Disable All” and click “OK”.
  4. Then, restart the computer.
Step 2: Verify the Windows Update Server is set correctly.
  1. Press “WIN+R” keys on the keyboard to open the run command.
  2. In the RUN type “services.msc” and click on “OK”.
  3. Make sure Automatic Updates is set to automatic.
  4. Background Intelligent Transfer Service is set to automatic.
  5. Use the proxycfg -d command to get your Windows Update working properly.
Step 3: Manually try installing the updates from Microsoft Download Center.
  1. Visit the Microsoft download website, type the “KB” number of the update in the search box, and press enter.
  2. In the list of search results, click on the Knowledge Base (KB) article link to go to the download page. If there’s more than one listing, look for a link that goes to the Microsoft Download Center.
  3. If there are multiple versions on the download page, find the appropriate one for your computer. Click on the Download button, and save the update to your desktop.
  4. When prompted, click on open to install the update.

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  • Thanks for letting us know,
    Step 2 helps me.

  • Is there any update to which of the CFS categories was causing this error?

  • Utility hung up when I first tried to install. I have restarted so I’m trying to re-download and run again. It is solved, thanks very much.