Every once is a while, my mouse seems to think that it can only highlight or click on icons(or anything) approximately 1 1/2 inches to the bottom of its current position. In other words, if I have only 3 icons on the screen, virtically aligned, and I click on the top icon, the event functions the lowest icon. Weird!! When this happens it also affects anything I do in wordpocessing, etc. For instance, when it happens, if I click on the first paragragh to edit, a lower paragragh is selected and highlighted!
This is bizarre but must have an answer.
I do know this: my keyboard does not seem to be affected in any way during this. Also, a reboot corrects it, but sometimes it occurs minutes later as well. Even more annoying, it does not happen all the time or in any specific application(that I know of), it just happens and goes away for days and sometimes weeks.
Also, if I move my cursor top the bottom of the screen, it stops about 1 1/2 inches from the taskbar, and when I move it to the top it seems to keep going, as if my screen designation is scewed-up.
One other note. This crazy behavior only seems to affect the vertical mouse position. The left-to-right movement is OK.