First, lets clear out the temporary storage locations.
1. Click on Start, then Control Panel. Double-click on Internet Options
2. On the General tab, in the Temporary Internet Files section, click on Delete Files. Check the box to 'Delete all Offline Content' and click OK.
3. Close the Internet Options window.
Next, we need to clear out the Windows Update folder.
1.Click on Start, then My Computer. (Or on Windows 2000 machines, just open the desktop icon) 2.Open the C drive
3. Open the Program Files folder
4. Open the WindowsUpdate folder
5. Delete everything you find in this folder, including subfolders.
6. Close this window Next, we need to check the WUTemp folder.
1. Click on Start, then My Computer
2. Open the C drive
3. Delete the WUTemp folder and all of its contents.
And lastly, we need to remove the current control files on your machine.
1. Click on Start, then Run.
2. Type in 'regsvr32 iuctl.dll /u' (without the quotes) and click OK.
You should get a successful message, click OK on that as well.
3. Click on Start, then Search, then choose All Files and Folders.
4. Click on Advanced Options, and check the first three boxes listed there.
5. Type in the file name IUCTL.DLL and click Search Now. Delete every copy of this file that you find.
6. Run the search again for the file IUENGINE.DLL. Again, delete every copy of this file you find.
Once all of this has been completed, try the Windows Update Site again.