I'm not an IT Expert, just someone trying to help.
Try manually downloading the BITS package and install it.
http://www.microsoft.com/downloads/d...displaylang=en
Update for Background Intelligent Transfer Service (BITS) 2.0 and WinHTTP 5.1
(KB842773)
I also suggest you have a look at Jupiter Jones' checklist
http://www3.telus.net/dandemar/updtcl.htm
Windows Update Checklist
WINUP-Third-Party Products That Conflict with Windows Update
http://support.microsoft.com/default...b;en-us;241234
"troubled guy" <troubled
> wrote in message
news:CCFBE959-DA08-48C6-86DD-...
> hi to all IT expert out there. My PC is giving problem nowadays and i hope
> that u guys out there can help me out.
>
> ever since i installed trend micro PC-cillin internet security software into
> my pc, its security check always prompt me that there are many security
> vulnerabilities inside my computer. it advise me to download window update
> immediately to fix the problem. however when i want to download the update by
> using both express and custom methods, its fail to download. the caption
> always appear when the download failed and it read " failure to download
> update for intelligent transfer service (BITS)2.0 and Win HTTP 5.1 (KB
> 842773). every time i try to update my window, it fails and every time the
> caption will appear.
>
> so frenz out there please advise or anyone who encountered such problem
> before pl help me. thanks a lot. i really need to get my window updated
> because viruses and esp trojans kept attacking my pc . sometimes there's no
> way for me to get connected to the internet as my IE fail to response when
> clicked on, even though i have set the virus scan on at all times.