Use a timer. drag n drop the timer n the progress bar on the form. On the top of the form code just after 'public class Form1' put 'dim i as integer = 0'. On the formload event put 'Timer1.enabled=true' Double click the timer n put this code: Progressbar1.increment(1) i += 1 if i = 100 then Timer1.enabled=false whem form loads, timer is enabled. When timer is enabled, it ticks. When it ticks the pbar is incremented with every tick up to 100.