Only if the project list is cleared (by renaming the folder so OEP can`t find it) is the option available. I`ve tried manually adding the projects back by editing the project list files using a text editor (as per the recovery advice in the forum for lost projects) but doing so greys out the sort option again.
That doesn`t make any difference.
Only if I quit OEP, rename the settings folder (currently 250MB) so OEP can`t see it, then restart OEP does the sort option work (for any new projects I add).
Something about the existing settings files obviously stops it working. The odd thing is that it greys out the option (& the sort sub-menu which should display) rather than the option just not doing anything. It obviously detects some code in the settings files which disables the feature.