Frustrating BSOD errors...

[striker477]

This pc is starting to really get on my last nerve anyone have any idea what could be the issue? I keep getting windows blue screens ranging from

bad_pool_header (the error i see most)

bad_pool_caller (probably 10% of the time) 
page_fault_in_nonpaged_area (this happened tonight)

kernel_security_check failure
 

How would I figure out what could be going on the pc will usually encounter an error after boot or within the first 30 minutes...

[MightyBooty :^)]

Your ram could be faulty, HDD could be faulty, or your windows registry could be corrupted.