Go somewhere with more bandwidth, and download it again.
Even better, retrieve it from a different archive, using a different transfer protocol.

(
In general, all compression schemes, like RAR, remove all redundancy from a file, so a single bit glitch makes it nonrecoverable.
)

Mike Halloran
Pembroke Pines, FL, USA

I'm guessing they're using bitTorrent or similar. You basically have to download again. Or just buy it.

TTFN
FAQ731-376: Eng-Tips.com Forum Policies

Need help writing a question or understanding a reply? forum1529: Translation Assistance for Engineers


Of course I can. I can do anything. I can do absolutely anything. I'm an expert!
There is a homework forum hosted by engineering.com: http://www.engineering.com/AskForum/aff/32.aspx

Try next one manually solution in WinRAR:

<Open the file in WinRAR (download from internet if you don't have one).
<Press your right mouse-button.
<Click on "Repair archive", or press Alt+R.
<Click on Browse button and select a folder where you want to keep the repaired archive.
<There will be two options ("Treat the corrupt archive as RAR" and "Treat the corrupt archive as ZIP").
<Select any one of your choice (or see which one will work) and click on OK button.
<Go to the folder where you have kept the repaired archive and open it (Repaired archive will be named as rebuilt.*.rar or rebuilt.*.zip, where * is the name of original archive).

If the guide above isn't effective for your damaged .rar file, then...

http://tonyshorten.hubpages.com/question/233108/ho... - thread where is discussed the same issue with .rar file
http://www.filerepairforum.com/forum/archives/arch... - open community for any experienced users
http://www.rar.repairtoolbox.com/ RAR Repair Toolbox - gives you the guarantee of fast and quality restoration, but of course it costs money