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Installer Not Signed or The Signature is Corrupt or Invalid

Description 

If the DigiCert Trusted Root G4 Certificate is missing, exacqVision Software updates downloaded from exacq.com or initiated within exacqVision Client, will report a signature error.

Products 

  • exacqVision Server
  • exacqVision Client
  • exacqVision Web Server
  • exacqVision Enterprise Manager
  • Windows OS

Steps to Reproduce 

  • Downloading from exacq.com
  • From the exacqVision Client
    • Either navigate to the Configure System page, select the Update tab, then click update
    • or click the exacqVision logo in the upper right corner of the client and click Check for Updates

Expected Results 

  • Downloading from exacq.com
    • The file downloads and can then be launched
  • From the exacqVision Client
    • The file downloads and the software automatically updates

Actual Results 

  • Downloading from exacq.com
    • A message is displayed stating that the signature of the file is corrupt or invalid
  • From the exacqVision Client
    • The Update Status changes to Installer not signed

Solution

  • Determine if the DigiCert Trusted Root G4 certificate is installed
    • Open the Windows Certificate Manager
      • In Windows Search enter “Manage file encryption certificates”
    • Expand Trusted Root Certification Authorities
    • Look for DigiCert Trusted Root G4 it is probably not present
  • Download and install the DigiCert Trusted Root G4 Certificate
    • In a browser navigate to https://www.digicert.com/kb/digicert-root-certificates.htm
    • Locate and download the DigiCert Trusted Root G4 Certificate making sure to choose the DER/CRT option
    • Once downloaded open a file manager, locate and right-click on the downloaded DigiCertTrustedRootG4.cer file and choose Install Certificate
    • When prompted select Local Machine and continue
    • When prompted select Automatically select the certificate store based on the type of certificate
    • Select Finish to complete the certificate install
    • A window should display indicating that the import was successful
  • exacqVision Software updates should now complete without signature warnings.