Kepware The Installer Was Unable To Find Required Root Certificates Exclusive !!top!! · Recommended & Instant

Fixed: Kepware "Installer was unable to find required root certificates"

This guide provides a comprehensive overview of why this error happens and practical, step-by-step methods to resolve it. Why the Error Occurs

Updates may no longer be available; contact support for a manual certificate package or request an older, compatible version of Kepware.

This error is most common in the following scenarios: Fixed: Kepware "Installer was unable to find required

: Windows automatically downloads missing root certificates in the background via the Windows Update architecture. If your industrial server is air-gapped (offline), this automated check fails.

to ensure it has permission to access the certificate store. "Not Trusted" Warning:

During the installation process, the setup wrapper triggers a validation check against the operating system's local certificate store to verify that the installer is authentic and has not been tampered with. If your industrial server is air-gapped (offline), this

: Digital signatures rely on root anchors from global CAs (such as DigiCert or Sectigo). If older root certificates are missing or revoked, the software wrapper is rejected as "not trusted". Step-by-Step Fixes to Resolve the Root Certificate Error

. This allows the OS to automatically pull the necessary trusted root certificates. www.ptc.com 2. Manual Certificate Import (Offline Fix)

When installing Kepware products (such as KEPServerEX, ThingWorx Kepware Server, or various drivers), users may occasionally encounter a blocking error message stating: : Digital signatures rely on root anchors from

Right-click the certificate, navigate to > Export , and complete the wizard using the standard .CER format. Step 2: Import to the Target Offline Machine

Move the .CER file(s) to the offline machine using authorized media storage.

Whether you choose to simply run Windows Update, contact PTC support, deploy a community patch, or manually import the certificate, the solution is well-documented and proven. By understanding the underlying cause, you can confidently resolve this error and proceed with your KEPServerEX installation, ensuring your industrial communication platform is both functional and secure.

Open the dialog (Win + R), type certmgr.msc , and press Enter.

You must import the file directly into the local computer account rather than the current user profile.