A little warning to all the XP users using windows messenger without SP1 installed. A serious flaw was discovered in the help and support center of XP, that even could wipe out all content of your hard drive. This concerns the hcp:// commands that are used to launch the help and support center, that are also automatically converted to a click-able link in Messenger.
Things you can do to prevent this from happening:
1a. Click here to fix it instantly. (it will show a new page you can click away)
1b. Remove the file
C:\windows\pchealth\helpctr\system\dfg\uplddrvinfo.htm
2. Install SP1 from the Microsoft site
3. Do not click on links in MSN / internet explorer that start with hcp://
[source the register]
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