"SteveB" writes:

Within browser. Like MSN home page. Some pictures are okay, and some are
mosaic looking.

Sounds like someone or something has reset your video driver to a
really shallow color depth (like 16 colors of 256 colors).

Go into Control Panel Display and find the settin for number of
colors (exact location depends on your versio nof windows), and bump
it up to as high a number as allowed.

--
Todd H.
http://www.toddh.net/