Just recentlt accepted an update, now whenever I am in world the enviornment is all sketchy...

[VintageSteampunk]

my avatars hair is all over the screen, the trees are big, then small, stuff is all screwed up, the update said it changed my settings to better suite my computer...well it worked before now it doesnt...

[Knowl Paine]

You might want to try switching back to the previous Viewer or alternate Viewer.

At the link look near the bottom of the page, look for other downloads.

http://secondlife.com/support/downloads/

[valerie Inshan]

I'm with Knowl. If you want to use a TPV viewer, I recommend Firestorm, an great compromise between V2 and V1:

http://www.phoenixviewer.com/