UltraMon crashes with fatal error in MultimonGUI.cpp at line 2807 if mirroring feature isn't installed.

Task Manager option on UltraMon taskbars: an option to open the Task Manager has been added to the right-click menu of UltraMon taskbars Fixed issues Window management: cascading and tiling all windows or only those on a specific monitor, as well as Show Desktop for the whole desktop or a specific monitor, can be done via the main UltraMon menu and the right-click menu of UltraMon taskbars Taskbars for a specific monitor can be disabled via UltraMon Options > Smart Taskbar > More options. New taskbar configuration options: options such as always on top, autohide or locked can again be configured per taskbar if desired, default is to use the same settings as the main taskbar. Display profiles, shortcuts and wallpapers will be preserved. Please note that configuration settings may not be preserved when upgrading from version 2.6 or earlier. UltraMon 3 requires Windows 2000/XP or later, Windows 98/Me are no longer supported. You don't need to uninstall your current installation of UltraMon first. Setup will upgrade your existing installation and preserve your settings and registration information.

This release has new Smart Taskbar features and several bug fixes. Release Notes for UltraMon 3.0.4 Beta Release Notes for UltraMon 3.0.4 Beta

Windows 98 process monitor