windows update error: 0x80240017

Hi Manoel,

Thank you for bringing up your query on Microsoft Community.

I realize this may be frustrating. Now that you have me with you, let me take care of this.

This issue could have occurred due to conflict between third party antivirus software or corrupted system files.

As an initial step, I suggest you to disable the antivirus (third party) software and firewall on the computer as a test and check if that fixes the issue.

Disclaimer: Antivirus software helps protecting your computer against viruses and other security threats. In most cases, you shouldn't disable your antivirus software. If you have to temporarily disable it to install other software and\or troubleshoot any pertinent issue, you should re-enable it as soon as you're done. If you are connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to malware attacks.

Let’s try to run Windows Update troubleshooter to fix the problem. It makes sure that your computer is connected to the Internet, and checks to see whether your network adapter and Windows Update services are running correctly.

Step 1:

1. Press Windows + X and select Control panel.
2. In the search box, type troubleshooter, and then click Troubleshooting.
3. Under System and Security, click Fix problems with Windows Updates.

Step 2:

If the issue persists, I suggest you to reset the Windows update components manually and check if it helps.
 
 a. Press Windows key + X on the desktop screen of the computer.
 b. Select Command Prompt (Admin).
 c. On the open Command Prompt window copy and paste the commands (all at once).
 net stop wuauserv
 net stop cryptSvc
 net stop bits
 net stop msiserver
 ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
 ren C:\Windows\System32\catroot2 catroot2.old
 net start wuauserv
 net start cryptSvc
 net start bits
 net start msiserver
 pause
c. Exit the command prompt and check if it helps.

Hope it helps.