Issue #1: When running the apply.exe, the user gets error message: The ALTER TABLE statement conflicted with the FOREIGN KEY constraint "FK_LogImageData_LogTestStep" (or something similar regarding the FK_log*****)
Root cause: There could be orphaned results data.
Solution: Please run the "Delete Log table orphans.sql" file from DB maintenance folder (from the Site Prep zip file in the Worksoft Certify Installation package) on the database.
Issue #2: When running the apply.exe, the user gets the error that the Transaction log for the database is full.

Root cause: The transaction log is full.
Solution:
Please ask the DBA to shrink the database log. Also it is advisable to set the Autoshrink to true on the database.