So my mouse cursor changes to the older OS arrow, with the long 'stem' ,I guess, randomly, and sometimes changes back to normal Windows 10 style when loading or something. Also, windows like Malware Bytes, which I happen to be running right now because I'm freaking out about possible viruses, look MUCH different with big borders, and bigger Close, Maximize, Minimize buttons. PLEASE HELP! I hope this is not a virus