If you read the thread you'll find your answer....
comdlg32.ocx is a needed component for this plugin. It's needed because this plugin is written in VB.
You can find the file on the net or download the zip with the file in it here:
http://shoutbox.menthix.net/attachment.php?pid=213618
Unzip that file, and place
comdlg32.ocx in your
system32 directory (useually
c:\windows\system32\).
Register the file:
Start >
Run > now type in:
regsvr32 "c:\windows\system32\comdlg32.ocx" and press ok
Reboot the PC