We feel that it is best when doing updates to SurvCE to do a ‘Clean Install’.
For example, if updating from SurvCE version 6.03 to 6.08, there have been several new options, new functions and major revisions to SurvCE. While it is possible to install 6.08 over the top of 6.03, we believe that it can be troublesome and lead to undefined option values.
There may be an advantage to keeping the old installation fully intact in case of problems, you can quickly revert back to the previous version.
This FAQ describes how I do a ‘Clean Install’: [ continue reading … ] preserving existing SurvCE activation.