Stuttering!

What Request block size settings do you have in Preferences -> Audio -> Device, and is the checkbox ticked? Try increasing it to 1024 if low and press OK (make sure the box is ticked). Did that improve anything? What kind of numbers are you seeing in the Performance Meter (under the View menu) when playing back your project?

tried that still no difference then changed audio device to built in Output....and it fixed the problem...I still left your recomended change. Thanks

What audio interface were you using previously? Regarding block/buffer size, higher values (like 512, 1024 or even 2048) can be great when mixing and working with a lot of CPU hungry processing, but the higher the setting, the more latency/input delay you'll get. Keep it low (e.g. 32, 64 or 128) when recording, to keep latency/input delay down, but at the cost of higher CPU strain and possible glitching. A powerful computer with a good audio interface should allow for much lower size settings before starting to act up.