Options-General

Popup Killer

Automatically Block Popup Windows
Enable the popup killer to automatically block popup windows. 
Recognize Popup Windows By Timing
Identify any site window popped up spontaneously as an undesirable popup window. A site window is considered to be spontaneous if it doesn't immediately follow user actions. 
Recognize Popup Windows By Appearance
Identify windows without menu bar,  toolbar, status bar, or address bar as undesirable popup windows.

Please refer to section Popup Killer for details.

Site Filter

Enable Site Filter
Automatically block sites matching black list but not matching white list. 
Black List / White List
View/edit black list and white list in the filter definition dialog

Please refer to section Site Filter for details.

Auto New Window

Automatically open a new window when you open a site by typing an address and pressing enter, or selecting an existing address from the drop down list or the favorites. If you temporarily want to open site in the same window, hold down shift when pressing enter or selecting by mouse. 

Suppress Script Errors

This option will disable the script error message dialogs. It will also disable script debugging. This option is recommended for most people who are not interested in script debugging.

Show Tray Icon/Hide Taskbar Button

When this option is turned on , the taskbar button will be hidden and an icon will be added to the system tray area (near system clock, at the right end of the task bar).