Hi robbie26 and welcome,
Firstly can you please update to Windows Service Pack 1, which will help stabalise your system and also please ensure you have all Windows updates installed
Your 3 crashes are related to:
A windows update may well fix this issue.
Also please update your Intel RST (Rapid Storage Technology) driver
, which can be found here:
Click on Continue
underneath where it says:
Automatically scan your system for up-to-date drivers and install them quickly.
And it should find the correct drivers for you.