WIN32OLERuntimeError , ---for Solidworks

I want to use Ruby to manipulate the famous 3D software Solidworks
though win32ole.
I just did this in the irb:
  >require 'win32ole'
=>true
  >sw = WIN32OLE.new('SldWorks.Application')

Then I found the Solidworks' process running in the backgroung though
the Process Manager.

Then ,after long time waiting, it results in this error:
WIN32OLERuntimeError:failed to create WIN32OLE object from
'SldWorks.Application'
HRESULT error code:0x80080005

I also do some testing like this:

first I started the SolidWorks ,seeing the Solidworks' process
running
in the backgroung though the Process Manager.

then in the irb :
>require 'win32ole'
=>true
>sw = WIN32OLE.connect('SldWorks.Application')
The error:
WIN32OLERuntimeError:OLE server 'SldWorks.Application' not running
HRESULT error code:0x800401e3

I realy want to know why.

Thank you for your time