Installing vs Porting
QtWeb settings and caches are stored differently depending on whether you installed the software, or just ported it (run the executable being copied on USB or other media).
If you installed the software, application settings are stored in the Registry section for the current user's profile. Caches (icons, cookies, history) as well as Bookmarks are stored in the current user's profile folder (usually it is C:\Documents and Settings\UserName\Local Settings\Application Data\QtWeb.NET). Downloads will be stored by default in user's "My Documents" folder. This means that when another user logs on, new settings set will be created, as well as history, cookies cache, bookmarks and downloads will be stored separately. Reset and Full Reset functions will clean up the settings and caches for the current user only!
If you are porting the software with you (just copied QtWeb.exe to USB or other media and run it from there, even on different machines) - neither Registry nor User's profile have not been used at all. Software should create subfolders QtWebCache and QtWebSettings at the same directory where QtWeb.exe is located, and QtWeb stores all caches and settings there. These settings and caches do not depend on the local user being logged in, and will be used by all local users. Reset and Full Reset functions will clean up all the settings and caches.