I am sorry to hear that have had issues with your computer.
If you've recently been getting errors with win32k.sys it's recommend you uninstall or re-install any programs that may have generated this error.
If this does not resolve your issue or you have not installed any program recently try recovering Windows back to an earlier copy. The win32k.sys process is part of Microsoft Windows and should not be deleted or prevented from loading each time Windows loads.
Additionally, you may try running processor diagnostic tool, this will inform of any errors on your processor: