It is safe to disable Apache's WebDAV module by commenting out the following lines:
LoadModule dav_module modules/mod_dav.so
LoadModule dav_fs_module modules/mod_dav_fs.so
The Apache service must be restarted after making this change.
Windows:
Apache2Linux:
/etc/init.d/httpd restartSolaris:
/etc/init.d/apache2 restart