Comments on: “Error: Upgrade to Windows 10 Pro, version 1511, 10586. Failed to download content id {content_id}. Error: Invalid certificate signature” when trying to download Windows 10 Upgrades in SCCM 1511 https://faqshop.com/sccm/troubleshooting-cm/software-updates-cm-tr/error-upgrade-to-windows-10-pro-version-1511-10586-failed-to-download-content-id-content_id-error-invalid-certificate-signature-when-trying-to-download-windows-10-upgrades-in-sccm-1511/ SCCM Tutorials, Help, Hints, Tips and FAQs Mon, 02 Oct 2017 10:19:31 +0000 hourly 1 https://wordpress.org/?v=6.8.3