Support Center > Search Results > SecureKnowledge Details
Endpoint Security Client fails to upgrade with "Error 28151 - Verification of installation package failed" displayed in SmartEndpoint Technical Level
Symptoms
  • Endpoint Security Client fails to upgrade.
  • "Error 28151 - Verification of installation package failed" displayed in SmartEndpoint.
  • The following error appears in C:\Program Files\CheckPoint\Endpoint Security\Endpoint Common\Logs\cpda.log:
    6ac Not ok, code: 0x80096005 (g_checkSignature)
    6ac The timestamp signature and/or certificate could not be verified or is malformed. (g_checkSignature)
    6ac Package downloaded, but verification failed. Updating UI (CDA::handleSWMgmtModuleStateDownload
    
Cause

"Sectigo SHA-1 Time Stamping" certificate is missing from the Windows certificates store under "Certificate Manager" > "Third-Party Root Certification Authorities".


Solution
Note: To view this solution you need to Sign In .