They are
Check if your cooling fan is working properly
Check if you’re RAM is well fixed .
Check if your motherboard is all connected properly.
Make sure your power-supply stations work properly.
Check your mother board battery.
Use authorized “Anti-virus” and scan daily or weekly.
Make sure that all your windows files is installed
Make sure that you do not install double Anti-virus
Uninstall any computer program or software that is not compatible with
your system
Always clean up your computer disk