When you try to install a program using Windows Installer (.msi) Setup package, you may encounter error 2738 or 2739 and the setup fails.
Errors 2738, 2739 occur if the Windows Installer Setup uses Windows Script (.vbs or .js) custom actions, and the VBScript or JScript runtimes are not registered in the computer.
From Windows Installer Error Messages page at MSDN:
|2738||Could not access VBScript run time for custom action|
|2739||Could not access JScript run time for custom action|
Open an elevated Command Prompt. To do so, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
Run the following commands one by one and press ENTER after each line:
You should see the output DllRegisterServer in filename.dll succeeded for each command. In case you get the error 0×80004005, it’s probably because you’re trying to register the DLLs from a normal (non-elevated) Command Prompt window.
Type Exit to close the Command Prompt window.
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About the author
Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and he has been a Microsoft Most Valuable Professional (MVP) for 10 consecutive years from 2003 to 2012.