From what I can tell, this should automatically change the chapters also. Does it only do this with the downloaded template or does it do it with the other templates as well? (Only change the main page but not the chapters?) If it only does it only with the installed one, perhaps there is an issue with that particular template? Try downloading a different one and see if the same thing happens.
If it does it with all of them then, the only thing I can suggest is that there might be something in the install that isn't working properly. Trying an uninstall and reinstall would be my next thought. Here are some instructions posted by
Dafydd regarding reinstalling.
Uninstall and reinstall of PowerDirector Try the following way to re-install PowerDirector:
a.) Start--> Programs -->Cyberlink PowerDirector --> Uninstall PowerDirector
b.) Start --> Run --> type "regedit" --> click "HKEY_LOCAL_MACHINE" --> click "Software" --> locate "Cyberlink" ----> click the "+" (if you have more than one CyberLink product) -->Delete the "PowerDirector" folder
c.) Start --> Run --> type "regedit"--> click "Hkey_Current_user" --> click "Software" --> locate "Cyberlink" ----> click the "+" (if you have more than one CyberLink product) -->Delete "PowerDirector" folder.
d.) Delete C:\Programs Files\Cyberlink\PowerDirector And reboot your PC. After this, please install your PowerDirector
I would check the other templates first though, it might be an easy answer.