First, download the PSIKey_2.dll.rar at http://www.4shared.com/rar/BZfQUtD8/PSIKey_2dll.html.
After the download is completed, extract the file to this location: C ► Program Files ► Common Files ► Protexis ► License Service.
Replace the original file with the contain of this PSIKey_2.dll.rar file.
Open Corel Draw X4
Now you can save your file(s).