XTask is a task manager for Windows Mobile PDA phone. It does, not only the most wanted job of cleaning system RAM by closing unused tasks, but with many more features. For example, it can correct the overlay problem of the WM6.5.x buttom bar for any programs such as Resco Explorer, also automaticlly set button-X to Close instead of minimizing a window.

Features:

Improve screen showing strip power and memory
Improve the layout of setup page
Change window property
Adding process priorities
Adding XHook.exe to exception automaticlly
No need to manually define classes to automatic fix window buttom toolbar in WM6.5.x

http://forum.xda-developers.com/showthread.php?t=606162