Sorry, I overlooked that one reply had come from another member, the two of us have been in this conversation for long, I was addressing you.
As to programs from the net, I mean they may be cracked that is malicious legally, not technically.
I heard about Malwarebytes from you first. I could download and run it (in safe mode) just now. I deleted a few of the items that it detected, not all, bacause of the above reason. Then I tried to run notepad and cmd as admin, still couldn't.
I cannot clarify my status, I guess it is in fact not clear - owing to some malware. According to the control panel I am (as always been) the only user and administrator. As you pointed out, this installation shows that I have some of the privilages. My initial...