Windows installer installs files it should not install

I get these files that should not have been installed right after installing Qt Creator on windows (it was not started!):

./pythongdb/python2.5/base64.pyc
./pythongdb/python2.5/codecs.pyc
./pythongdb/python2.5/copy_reg.pyc
./pythongdb/python2.5/curses/_init_.pyc
./pythongdb/python2.5/encodings/aliases.pyc
./pythongdb/python2.5/encodings/cp1252.pyc
./pythongdb/python2.5/encodings/cp850.pyc
./pythongdb/python2.5/encodings/latin_1.pyc
./pythongdb/python2.5/encodings/utf_8.pyc
./pythongdb/python2.5/encodings/_init_.pyc
./pythongdb/python2.5/linecache.pyc
./pythongdb/python2.5/locale.pyc
./pythongdb/python2.5/ntpath.pyc
./pythongdb/python2.5/os.pyc
./pythongdb/python2.5/random.pyc
./pythongdb/python2.5/re.pyc
./pythongdb/python2.5/site.pyc
./pythongdb/python2.5/sre_compile.pyc
./pythongdb/python2.5/sre_constants.pyc
./pythongdb/python2.5/sre_parse.pyc
./pythongdb/python2.5/stat.pyc
./pythongdb/python2.5/struct.pyc
./pythongdb/python2.5/tempfile.pyc
./pythongdb/python2.5/traceback.pyc
./pythongdb/python2.5/types.pyc
./pythongdb/python2.5/UserDict.pyc
./pythongdb/python2.5/warnings.pyc