http://www.bleepingcomputer.com/forums/t/522327/uninstalling-conduit-searchprotect-deletes-ntldr-making-windows-xp-unbootable/
Uninstalling Conduit SearchProtect deletes NTLDR making Windows XP Unbootable
A common adware called Conduit SearchProtect, which changes your browser's homepage to Conduit.com, is causing major problems for users of Windows XP who uninstall it. When users uninstall Conduit SearchProtect from Add or Remove Programs in Windows XP, they find on reboot that Windows XP is no longer able to start. Instead they will be greeted with a message stating "NTLDR is mi