Again, guys, search the &*#^! archives before guessing! This same question has been asked and answered before. It is not SH3 related - search Google and follow the oodles of instructions. Seriously, it only takes a few minutes to do.
Heck, I'll even help you get started...
http://www.google.co.uk/search?hl=en&safe=off&client=firefox-a&channel=s&rls=org.mozilla:en-GB
fficial&hs=nCm&sa=X&oi=spell&resnum=0&ct=resul t&cd=1&q=Error+1316.+a+network+error+occurred+whil e+attempting&spell=1
Hint: Windows installer cleanup utility...