Article: KB100040.
Subject: LDK Installation ended prematurely because of error 1603.
Product: Sentinel.
Version: 5.X.
Operating system: Windows 7 x64\x32, WIndows Vista x64\x32.
Author: Simone Maccagni.


  • When trying to install Vendor Suite 5.X a error occurs
  • “Installation ended prematurely because of error”
  • Installation in not completed


VBScript (B54F3741-5B07-11CF-A4B0-00AA004A55E8) in the HKEY_CURRENT_USER hive of his registry. Windows (Vista and 7) will automatically deny VBScript when it’s registered in the current user hive (suspicious activity.)

Delete the following keys from registry:

  • HKEY_CURRENT_USER\Software\Classes\Wow6432Node\CLSID\{B54F3741-5B07-11CF-A4B0-00AA004A55E8}
  • HKEY_CURRENT_USER\Software\Classes\Wow6432Node\CLSID\{B54F3742-5B07-11CF-A4B0-00AA004A55E8}
  • HKEY_CURRENT_USER\Software\Classes\Wow6432Node\CLSID\{B54F3743-5B07-11CF-A4B0-00AA004A55E8}