[python-win32] com_error in win32com/client.Moniker

[Tim Golden]

On 05/12/2012 12:13, David Hughes wrote:
> Originally posted in py2exe-users at lists.sourceforge.net but re-posted
> here at the suggestion of Mark Hammond:
> 
> A customer running my software, distributed via py2exe (Python 2.7.2) is
> consistently getting the following error
> 
> **** Mon Dec 03 13:20:25 2012 ****
> Traceback (most recent call last):
>    File "__main__.py", line 838, in <module>
>    File "__main__.py", line 331, in bootstrap
>    File "__main__.py", line 358, in chainload
>    File "__main__.py", line 834, in _chainload
>    File "dietplan6.py", line 342, in <module>
>    File "dietplan6.py", line 332, in main
>    File "wx\_core.pyc", line 8631, in __init__
>    File "wx\_core.pyc", line 8196, in _BootstrapApp
>    File "dietplan6.py", line 171, in OnInit
>    File "licence_installed.pyc", line 28, in CheckLicence
>    File "licence_installed.pyc", line 105, in InstallLicence
>    File "licence_installed.pyc", line 252, in openmasterlicence
>    File "licence.pyc", line 314, in IsMasterValid
>    File "library\oslib.pyc", line 192, in get_vol_info
>    File "wmi.pyc", line 157, in <module>
>    File "win32com\client\__init__.pyc", line 72, in GetObject
>    File "win32com\client\__init__.pyc", line 87, in Moniker
> com_error: (-2147024770, 'The specified module could not be found.',
> None, None)
> 
> oslib.pyc", line 192, in get_vol_info contains
> 
> from wmi import WMI as WMI
> 
> prior to obtaining the details of an attached USB flash drive.
> 
> It has been confirmed the error is specific to that particular machine
> (running 32 bit Windows 7, I believe). Has anyone come across this
> problem or have any suggestions
> please as to probable cause and, of course, solution?

I had  someone with a very similar error contact me recently. (I'm the
author of the wmi module). In that case it turned out to be a borked
Windows configuration. Can you access WMI on that machine by, eg, VBS or
Powershell -- ie something built-in?

TJG