The Dreamweaver 8.0.1 Updater (Adobe - Dreamweaver Support Center : Updaters) resolved this issue for most users. Install the Dreamweaver 8.0.2 Updater as it includes all of the fixes in the 8.0.1 update, plus additional recommended fixes.

Try renaming the Dreamweaver user configuration folder, so that Dreamweaver will automatically generate a new user configuration folder the next time Dreamweaver launches.

The Configuration folder is located here:

C:\Documents and Settings\\Application Data\Macromedia\Dreamweaver 8\Configuration

Recreate your Dreamweaver user settings in the registry as follows:

Launch the Registry Editor by clicking the Start button, choose Run, then type "regedit". In the Registry Editor, navigate to this folder:

HKEY_CURRENT_USER\Software\Macromedia\Dreamweaver 8

Rename the "Dreamweaver 8" key to "DreamweaverOLD", so that Dreamweaver will automatically generate a new user settings key the next time you launch it.

Warning: Editing the Windows Registry incorrectly can cause serious problems that may require reinstalling your operating system. Adobe does not guarantee that problems caused by editing the registry incorrectly can be resolved. Edit the registry at your own risk.

Recreate your Dreamweaver site definitions in the registry as follows. The steps below will delete your site definitions in Dreamweaver.

Launch the Registry Editor by clicking the Start button, choose Run, then type "regedit". In the Registry Editor, navigate to this folder:

HKEY_CURRENT_USER\Software\Macromedia\Common\8\Sit es

Rename the "Sites" key to "SitesOLD", so that Dreamweaver will automatically generate a new Sites key the next time you launch it.

Warning: Editing the Windows Registry incorrectly can cause serious problems that may require reinstalling your operating system. Adobe does not guarantee that problems caused by editing the registry incorrectly can be resolved. Edit the registry at your own risk.