Corel has released a hotfix for Service Pack 2 of WordPerfect Office X4.
From the Corel description:
Hot Fix 2 resolves three issues and provides one enhancement.
Resolved issues:
* Copying and pasting unformatted text in tables no longer causes corruption.
* The File | Save As dialog box now uses the folder of the originating document as the default folder.
* The File | Publish to PDF dialog box now uses the folder of the originating document as the default folder.Enhancement:
* When publishing to the PDF/A format, you can now include hyperlinks.

Download screen– From inside WordPerfect, choose Help, Check for Updates…
Click the message to see the description, and to install the Hot Fix.
Some users will need the installation CDs to install the service pack.
The current version number of WordPerfect will increase from 14.0.0.755 (SP2) to 14.0.0.756 after installation.
More information here:
http://www.corel.com/servlet/Satellite/us/en/Content/1157481830100?pid=1252951619505

#1 by jlockley on December 27th, 2011
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Corel has withdrawn all support and fixes for X4 from their site. The links given for hotfix 1 and 2 lead to advertising for Corel Draw. The next version will not install for Pdx 11.
#2 by Editor on December 28th, 2011
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No, Corel still has all the patches for X4 on the site. The link has changed:
On the main patches page, click at the TOP RIGHT on the drop-down list, and select WordPerfect X4.
That will take you here:
http://www.corel.com/corel/pages/index.jsp?pgid=800161&ppid=300010