For Windows 7 Beta users who are having compatibility and reliability issues, it is recommended to install KB962921. This will solve the below issues:
- Issues with installation of Adobe Flash Player 10.
- Issues with printing to an Adobe PDF document.
- Internet Explorer may crashe while visiting some Web sites.
- Internet Explorer 8 crashs while resizing the browser window.
- Doesn’t recognize cookies.
You may download the update from this LINK.