How to fix KB5017497 fails to install on Windows 11?

Question

Issue: How to fix KB5017497 fails to install on Windows 11?

Hello. I tried to install the KB5017497 on my Windows 11 PC but the process failed. What should I do?

Solved Answer

Windows 11 was released at the end of 2021. It is the newest operating system from Microsoft. Just like any other Windows version, it requires updates to keep it running smoothly. Microsoft regularly releases them. They provide new functionalities, bug fixes, and security patches.^[1]

Keeping your operating system and software up-to-date is extremely important if you want to prevent hackers from exploiting vulnerabilities. However, often people run into issues when trying to install Windows updates. Recently, some users struggled to install KB5017497, which contains important security patches.

KB5017497 is a security update that addresses an issue where an attacker could convince a local user to open a specially crafted file that could execute malicious code on an affected system. The issue is better known as the .NET Framework Remote Code Execution Vulnerability (CVE-2022-26929).

In this guide, you will find 6 steps that should help you fix KB5017497 fails to install on Windows 11. You may also use a maintenance tool like RestoroMac Washing Machine X9 because manual troubleshooting can be a lengthy process. This powerful software can fix most system errors, BSODs,^[2] corrupted files, and registry^[3] issues. Otherwise, follow the step-by-step instructions below.

Method 1. Run the Update Troubleshooter

• Click the Windows button and select Settings
• Select System from the left pane, then scroll down on the right pane, and click on Troubleshoot
• Click on Other troubleshooters

• Locate the Windows Update troubleshooter and hit the Run button

Method 2. Fix Corrupted System Files

Use Command Prompt commands to repair system file corruption:

• Open Command Prompt as administrator
• Use the following command and press Enter:
  sfc /scannow

• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

Method 3. Restart Windows Update and Background Intelligent Transfer Service

• Type services in the search bar and launch the Services utility
• Find Windows Update on the list
• Double-click on it to open the Properties
• Then set the Startup type to Automatic, and click Apply
• Now hit Restart the Service

• Do the same with Background Intelligent Transfer Service

Method 4. Use Microsoft Update Catalog

If automatic download would not succeed, we recommend trying to download and install the update manually.

• Go to the official Microsoft Update Catalog website
• Type the KB number KB5017497 into the search bar, and press Enter or click Search

• You will find many different versions on the update – you need to find the one that matches your PC specs and Windows version (as a home user, ignore Windows server versions)
• After picking the correct version, click the Download button and proceed with on-screen instructions
• Restart your system once done.

Method 5. Reset Windows Update Components

• Open Command Prompt as administrator as explained above
• In the new window, paste in each of these commands, pressing Enter every time:
  net stop bits
  net stop wuauserv
  net stop appidsvc
  net stop cryptsvc
  Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\*.*”
  rmdir %systemroot%\SoftwareDistribution /S /Q
  rmdir %systemroot%\system32\catroot2 /S /Q
  regsvr32.exe /s atl.dll
  regsvr32.exe /s urlmon.dll
  regsvr32.exe /s mshtml.dll
  netsh winsock reset
  netsh winsock reset proxy
  net start bits
  net start wuauserv
  net start appidsvc
  net start cryptsvc

• Restart your computer

Method 6. Perform an in-place Upgrade

If none of the solutions helped you, you could try using Windows Media Creation Tool to upgrade your system. Before proceeding, make backups of your personal files as a precautionary measure and disconnect all the optional peripherals, including printers, scanners, webcams, etc.

• Visit the official Microsoft website and download Windows installation media
• Double-click the installer and select Yes when UAC shows up
• Agree to terms and click Next
• Select Upgrade this PC now and select Next

• Windows will now download all the necessary files – it might take awhile
• Agree to terms once again and click Next
• Before installing, make sure that you are happy with your choices (otherwise, you can click Change what to keep option)
• Finally, click Install to begin the upgrade process

Repair your Errors automatically

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