Download the PCTeX 4.0 Editor Update
This will update your PCTeX 4.0 editor, making it operate faster on large files, and eliminating the bug with extra line spaces. Download the file and place it on your Desktop. Double-click on the icon to perform the update. The update program will ask you to verify that it has found the correct PCTeX folder. Click Open and the update will be applied.
To update a network copy of PCTeX 4.0, you must run the update program from a client which has full access to the PCTeX folder on the server. When you are asked to verify the correct PCTeX folder, direct the update program to the PCTeX folder on the server.
Download (http://www2.pctex.com/ftp/v40re32.exe) the PCTeX 4.0 editor update.