Hi I had created a new site and exported all site as webpackage. When I import it in new site it shows me error of webpart maintenance page for all list pages as will as default page. Thanks & Regards, Vyankatesh Mujumdar

Has the site custom web parts?

yes. But it working in previous sites. Also The SP server2007 sp1 pack also failed to install. Thanks & Regards, Vyankatesh Mujumdar

Be sure your web part code is somethng like this http://geekswithblogs.net/bjackett/archive/2009/06/18/ldquocannot-import-this-web-partrdquo-error-with-sharepoint-site-template.aspx