Windows Blue Screen During Reboot After Installing SEP Agent 14.4

Products

• Endpoint Protection

Issue/Introduction

Windows fails to boot or displays a blue screen after installing Symantec Endpoint Protection (SEP) 14.4 due to driver signature verification failure

Environment

• Symantec Endpoint Protection Agent: 14.4
• Windows OS: 10 1809, Server 2016 and 2022

Cause

Windows is unable to verify driver signatures during the boot process because required Root and Intermediate certificates are missing from the local certificate store

Resolution

Ensure the OS is up to date with the latest Root Certificates. If the environment is air-gapped, manually import the required certificates for 14.3 RU8 and higher

Additional Information

• Steps to Gather Windows Dump Files
• If issues continue after importing certificates please contact support
• This may be more likely to affect virtual machines