I'm not sure if this will work given all of the other methods you've tried, but its worth a shot I guess.
Download Killbox from
HereClick killbox.exe
Select the option "Delete on reboot".
Click the button: All Files (Important!)
Now it should flash green.
Next copy the contents of the code box to clipboard by left clicking and covering the text then right click inside the highlighted area and choose
Copy:
CODE
D:\Documents and Settings\Terry\Desktop\Drive(D)\WINDOWS\system32\Macromed\Flash\FlashUtil9c.ocx
D:\Documents and Settings\Terry\Desktop\Drive(D)\WINDOWS\system32\Macromed\Flash\FlashUtil9c.exe
D:\Documents and Settings\Terry\Desktop\Drive(D)\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroPDF.dll
D:\Documents and Settings\Terry\Desktop\Drive(D)\Program Files\Common Files\Adobe\Acrobat\ActiveX\pdfshell.dll
After copying the above text to Clipboard click
File on the killbox menu bar and choose
Paste From ClipboardThen press the Delete File button (Red Circle with a White X).
Killbox will tell you that all listed files will be removed on next reboot and asks if you would like to Reboot now, click YES
If you don't get that message, reboot manually.
Let me know how it goes.