Skype has released a updated version of Skype 3.6 for Windows.
This hotfix release addresses many issues found in the previous version, including the cross-zone vulnerability and API programs intended to fool users.
It’s recommended for everyone to upgrade to the newly released build.
Read more / Get it at: share.skype.com/sites/garage/2008/02/skype_36_for_windows_hotfix.html