There is an option to lock the taskbar an you just just put your mouse on it, right click, and select the option to lock. This will not fix any hidden problem such as trojans, spyware, virus activity, etc. So, you want to do a thorough check and clean up of these possibities.
Recently my window xp taskbar has some strange behaviors. The icons in the quick launch area is not resposive, and sometimes they just disappear. Also when I minimise any opened windows to the taskbar, I cannot restore them by clicking on those tabs.
I have recently deleted the driver for my HP cd-burner, and also installed the Ad-aware. Is it the cause of the strange behavior? And anyone knows the possible solution to make the taskbar function normally?