Blue Screen of Death (BSOD) is a little Serious issue, but don't worry, you can fix it. Guide to Fix Power State Failure Driver and BSOD in Windows 8 Your Laptop problem indicates driver related issue. To fix this issue you have boot your Laptop into safe mode and uninstall the driver causing the problem from Device manager. Read the article to fix.
What is ransomware and how do I protect my PC from Petya?