Original: With IE7, Internet Explorer has been decoupled from the Windows Shellâ "unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process.
Simplified: With IE7, Internet Explorer has been decoupled from the Windows Shell - unlike previous versions, the Internet Explorer ActiveX control is not hosted in the Windows Explorer process, but rather runs in a separate Internet Explorer process.