Hello SL Developers and Users, . fatal Error during installation of DBUS . .iso was verified after download, burned on Windows 7 using native Windows Disc Image Burner with verify disc after burning . .iso was checked on target machine during installation . HP Desktop, specs at <http://www.shopping.hp.com/shopping/data_sheet/pp164aa.html> kind regards/ldv From http://ftp.scientificlinux.org/linux/scientific/6rolling/x86_64/iso/SHA256SUM: 2df53651358ee7c1119566b12221fc5abbe8aad5afb8d8c98abba76a5a0e398c SL-6-x86_64-2011-02-11-Everything-DVD1.iso From local calculation by sha256sum.exe invoked on .iso prior to burning: 2df53651358ee7c1119566b12221fc5abbe8aad5afb8d8c98abba76a5a0e398c *sl-6-x86_64-2011-02-11-Everything-DVD1.iso