Just probably hard core change path in file "c:\Users\igi\AppData\Roaming\calibre\plugins\ DOC Input.zip\__init__.py"
Its looks like calibre don;t load setting for plugin. I need look into current calibre source code and debug why configuration is not loaded till that just hardoce change path in __init__.py
replace options with
Code:
options = {
OptionRecommendation(name='wordconv_exe_path', recommended_value='C:/Program Files (x86)/Microsoft Office/Office14/Wordconv.exe',
help=_('Path where is Wordconv.exe. Usually it is in "c:\Program Files\Microsoft Office\Office12\Wordconv.exe". If you don\'t have it you could download see http://www.microsoft.com/en-us/downl...ails.aspx?id=3 ')),
OptionRecommendation(name='docx_no_cover', recommended_value=False,
help=_('Normally, if a large image is present at the start of the document that looks like a cover, '
'it will be removed from the document and used as the cover for created ebook. This option '
'turns off that behavior.')),
}