When installing a program, you may get the following error: Error 2739. Could not access Javascript runtime action This error is usually appears because the jscript.dll is not registered in Windows.
To register it, perform the following steps:
- Click Start > Run or hold down the Windows Key and press R.
- Type regsvr32 jscript.dll.
- Click OK when the message appears about the registration succeeding. If you receive an error instead, ensure you are logged into Windows as an Administrator.