The backup settings are located in general settings Service > Settings > General Settings
The path for backup files set in general settings Service > Settings > Paths to Files > Temp Files
Usually, the backup files can be found in the following locations:
Same as data file. Temporary files will be saved in the same folder as START-PROF analysis file ctp
Local user folder. To open the folder select Menu Start > Run > "%localappdata%\CTAPT"
All users folder. To open the folder select Menu Start > Run > "%programdata%\CTAPT"