SharePoint search may be fail after you integrate Windows Live ID Integration:
You may see this type of errors in search crawl log. E.g.
Error 1
- http://wsssearch.com
- Access is denied. Check that the Default Content Access Account has access to this content, or add a crawl rule to crawl this content. (The item was deleted because it was either not found or the crawler was denied access to it.)
Error 2
- sps3://wsssearch.com
- An unrecognized HTTP status was received. Check that the address can be accessed using Internet Explorer.