When you are customising, you may lose the link to the Customise page.

You can lose the customise page if you mess up the page.htm customisation.

The link will be something like:

http://quickr81.adfos.int/LotusQuickr/adfos/Main.nsf/h_Tailor/8138745487BCB874052568B0005C0EE0/?OpenDocument&Form=h_PageUI

where the unid comes from:

See the quickr database Main.nsf in the view: System\Customize   or alias h_Tailor
look at document's "Custom Themes" properties

0F 81387454 :  87BCB874 ON 052568B0 : 005C0EE0