Three cursors appear instead of one in Adobe Photoshop CS4, Adobe Bridge CS4, and Camera Raw.
Detail
Your Windows text DPI size is set to 150%.
Solution: Change the Windows text size to 149% or 151%.
To change the text size:
Choose Start > Control Panel > Appearance and Personalization > Display.
Choose Set custom text size (DPI) in the menu on the left panel.
Type in 149 or 151 into the Scale to this percentage of normal size field.
Press enter and click OK.
Choose to log off and then log on to change the setting.