Hello Devesh Mishra (Microland),
Thank you for posting in Q&A forum.
There could be several reasons why the security patch installation is failing on your Windows Server 2019. Here are some steps you can take to troubleshoot the issue:
1.Check the Windows Update logs to see if there are any error messages or codes that can help identify the issue. You can find the logs in the Event Viewer under Windows Logs > System.
2.Make sure that your server has enough disk space to install the patch. If the disk is full, the installation may fail.
3.Do you install security patch from Microsoft via Internet? If so, try to disable any antivirus or firewall software temporarily and try installing the patch again.
4.Try running the Windows Update troubleshooter to automatically fix any issues that may be preventing the patch from installing.
5.If the issue persists, you can try manually downloading and installing the patch from the Microsoft Update Catalog.
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
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