Kepware The Installer Was Unable To Find Required Root Certificates Exclusive Updated Jun 2026

: Users on older operating systems like Windows 7 or Windows XP SP3 frequently encounter this because these versions no longer receive automatic certificate updates.

Modern Kepware software binaries are signed using SHA-2 digital certificates issued by global Certificate Authorities (CAs), such as or DigiCert . During installation, the OS checks its internal certificate store to confirm the publisher is trusted. This verification fails in two primary scenarios: : Users on older operating systems like Windows

PTC (the parent company of Kepware) allows certain deployment flags for silent installations. You can attempt to bypass the root certificate requirement using the DISABLE_CERT_WRAPPER=1 property. : Users on older operating systems like Windows