To easily safeguard yourself, you can install No Coin from the google webstore to make sure no one is using your computer to min cryptocurrencies without you knowing about it. Also, if your computer seems to be running slow, check your task manager to see if your browser or some other program is using most of your CPU power. End the process of the program if you see something that shouldn't be taking up that much CPU power. Then do some research on the program that is taking up all those resources to learn how to remove it.
he give you some tips in the post...