Right click the files in question and select Properties.
Then click the box next to Opens with: and choose Dreamweaver as the default application. You may have to browse to locate it.
Then click apply and OK
Do this for ALL file types that you want to open with Dreamweaver (html, js, asp, php, etc)
I've done this, but it did not resolve the problem. Any other thoughts?
Copy this text into a new document:
c:\windows\system32\cleanmgr.exe /dc /sageset: 1
del *.* /q
Save to your desktop as "clean.bat" ( a Windows Batch File)
Double click it. It will open the disk cleanup tool.
You'll notice a whole bunch of other stuff listed that doesn't show up when you normally run the disk cleanup.
Check EVERYTHING. (Don't worry, if these were important files, Windows wouldn't list them as cleanable to save space.)
Close the disk cleanup.
Right click the clean.bat file and choose Edit.
In the first line where it says sageset:, change it to sagerun: then save and close the file.
Double click it again and will run a thorough cleanup of your C:/ drive, including some windows cache files that hold icon preferences for file types.
Reboot when it finishes and see if the icons aren't set right.