Now i am begining to find out why notebooks are problematic,i have something called a?

laptop notebook,its a hewelett packard brand, why it switches programs on me ill never know,notebooks i understand have short memory statuses,this is my problem here,i thought i was getting a laptop,and got a combination of both ,i mean its fine for three days and then im program hopping from my program to my screensaver and back.its rediculous. its almost a month old and ive rebooted it twice already,now it switches to my header where i type in my pword,i have to type in the pword and im back online. dag nab it!