hi ive got an issue here ive got a laptop and a pc both of them the same version of photoshop cs4 installed on it but i cant figure out why is the photoshop so lagy n slow on my desktop and on the laptop it run fine.my laptop spec is 1gb ddr2 ram, 1.8ghz core 2 duo processor,and intel intergrated graphics running windows xp.but my desktop is 4gb ddr2 ram,2.4 core 2 duo proccesor,nvidia 8800gtx graphics card running vista ultimate.ive try removing and reinstall on the desktop pc still the same prob can someone help me out.