You may encounter temporary connection-related errors [e.g., 0x80072EFF;
0x80072EFE; 0x80072EFD; 0x80072EEF; 0x80072EE2; 0x80072EE7; 0xC80003FA; 0x8024402F; 0x800705B4] when you use Windows Update or Microsoft Update to install updates
http://support.microsoft.com/kb/836941
How to remove malware belonging to the family Rootkit.Win32.TDSS (aka Tidserv, TDSServ, Alureon)
http://support.kaspersky.com/viruses/solutions?qid=208280684
You will find appropriate support in this forum =>
http://social.answers.microsoft.com/Forums/en-US/vistawu/threads
~Robear Dyer (PA Bear) ~ MS MVP (IE, Mail, Security, Windows & Update Services) since 2002 ~ Disclaimer: MS MVPs neither represent nor work for Microsoft