weird glitching problem in perspective view
 

hi guys.. im totally new to this site and Maya as well
so i dont know much about this stuff.. but i know some
im having a problem right away with maya
it works fine at times.. but sometimes in the perspective view(i think thats whats its called) i get the glitches.. everything in the window kinda bends.. i took a pic to show u what i mean.. in the pic it seems like its not so bad.. but its just one pic.. its constantly twitching.. specially if i click on paint effects and try to put some hair or w/e... it always happens then.. i dont know of this is fixable .. or if any1 is havign this problem....
here are my specs

amd barton 2500
ati 9600XT
512mb ram
80 gig



http://i16.photobucket.com/albums/b42/Mirza513/pic1.jpg

anybody??

Have you tried changing the screen size settings?