- You have a computer that is running the 64-bit version of a Windows operating system.
- You have Windows Internet Explorer 8 installed in the computer.
- You have the 32-bit version of some toolbars installed in Internet Explorer 8.
- You start the 64-bit version of Internet Explorer 8.
Note This problem does not occur if you have both the 32-bit version and the 64-bit version of the toolbars installed.