After you accept the End User License Agreement from the Windows Update site, the Web Page Dialog opens, but the download does NOT start (and the download progress bar does NOT update).
To resolve this problem:
1. Open a CMD.EXE window.
2. Type the following commands, pressing enter after each line, and pressing OK when you receive the DllRegisterServer message on the RegSvr32 dialog:
3. Type Assoc .JS=JSFile and press Enter.
4. Type Ftype JSFile=%SystemRoot%\System32\WScript.exe "%1" %* and press Enter.
5. You may have to restart your computer for these changes to become effective.