DavidR
3
Eddy is right.
What is the point of a re-format? The same things are going to happen again if you continue with the same security practices.
Follow the information and instruction on the link in his signature and you should be well on your way to securing your system.
You might even find your system runs better and doesn’t need to be re-formatted. But, if it does you will at least have learnt a valuable lesson in how to secure your system and keep it that way.
David