Error installing SQL Server 2008 Express on Windows 7: ''Invoke or BeginInvoke cannot be called on a control until the window handle has been created.''

The following error might appear during installation of Microsoft SQL Server 2008 Express on a computer running Microsoft Windows 7:

"Invoke or BeginInvoke cannot be called on a control until the window handle has been created."

To resolve this issue, follow these steps:

1. Create a folder named C:\Temp if it does not already exist on the computer.
2. When launching the installer for SQL Server 2008 Express, right-click and choose Run as Administrator.

Microsoft has indicated this issue will be addressed in SQL Server 2008 R2 and a future SQL Server 2008 cumulative update.

The resolution steps provided were confirmed by Lenel Technical Support to resolve the issue.