Mac OS X 10.4.8: Black rectangle may appear after installing Mac OS X 10.4.8

[juker12]

Mac OS X 10.4.8: Black rectangle may appear after installing Mac OS X 10.4.8 update

Issue or symptom

After installing the Mac OS X 10.4.8 Update, a black rectangle may appear around the cursor and follow the pointer's movement.

Products affected

Mac OS X 10.4.8
Solution

From the Apple menu, choose System Preferences.
From the View menu, choose Universal Access.
Click the Seeing tab.
Click Options.
Deselect "Show preview rectangle when zoomed out".
Click Done.