Need help please!

Hi, i really need help...
First of all my warrock laggs like hell in the first 30-45mins of play, thats not normal...
Second, every time i try to play a map with planes like Conturas, Pargona, Thamugadi, etc... my pc crashes and IDK why the fuk it crash!
Please dont make fun of it because its not very funny.
If you have any suggestion to help please PM or reply
Thanks!

Problem 1. You're computer sucks.
Problem 2. Those maps don't work for me either, so just don't go to those maps.
Problem 3. It's not nice to cuss.

Just Google it.