Hi, I am Dave, I will help you with this.
1
Right click your Start Button and open Device Manager, please provide a screenshot of that window.2
You mention a PC Protector app, please find that in the Settings app - Apps - Installed Apps, what is the name of that app?
im not 100% percent sure that this is the app but i dont think i used other apps it is called avg or avg tune up https://www.avg.com/en-us/avg-pctuneup#pc