Problem with installation please help. Errors

[FG24Hard_1]

I keep getting this message after i downloaded the program then unzip. This prevents me from installing Revit Architecture 2012. I've downloaded the program from Autodesk numerious times still wont unzip properly.? Does anyone have a solution to this problem?

CRC failed in 3rdParty\x64\NET\2\NetFx20.exe
Unexpected end of archive- this shows up in red everytime!! please help !! what does this mean

[TravisNave]

Problems downloading the Autodesk software and/or CRC errors may be avoided by using another web browser, or using the alternate browser download method.

For more detailed information on this process, please see the following blog post tip here:

http://upandready.typepad.com/up_and_ready/2011/08/downloading-software-browser-download-vs-download...

[FG24Hard_1]

does anyone know how to reinstall revit with a diferent activication code that works. I seem to have a problem with reinstalling it I had the program before just dont know what to do. The problem is that i can download the program but when i enter the serial and product key the program will give a Green Check mark that the standalone is already installed unto my Computer but where is the file, I can Find!!!! 😛 thannks for taking notice if any one knows give me a msg.

[TravisNave]

To Diagnose and Fix installation problems automatically, please see the new Microsoft tool for this here:

http://support.microsoft.com/mats/Program_Install_and_Uninstall

For more information on the Autodesk KB Support article concerning the clean uninstall of Autdoesk products, see this link:

http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=2887771&linkID=9240617

For all other installation problems on Windows XP SP2 or below consider using the Microsoft Installer Clean Up Utility. For more information on this program, please my forum post here:

http://forums.autodesk.com/t5/Installation-Licensing/Microsoft-Installer-Clean-Up-Utility-for-Add-Re...