Any errors that coincide with a freeze or crash would be helpfull.

Here is another error viewing source:

[1] Start Menu
[2] Help and Support
[3] Pick a Task
[4] Tools
[5] Advanced System Information
[6] View the Error Log

Also run chkdsk:

start > run > cmd
in the new window type chkdsk/f
when prompted to run on boot choose Y & reboot
this will check for & fix any disk errors.

Also:
What board do you have? Info should be in Everest.