Suddenly I can't get into any part of the System. "Error 0x80070005-motor-restricted". I tried anyth

This morning I found out that a S-1-5-21-2598375819- ... was the owner of some of my forldwers. I changed that.

Also this morning I installed TuneUp Utilities 2013. This program made some changes and I read something related to being administrator and having an open door to anyone to get into my computer.

This afternoon I continued changing the ownweship of some of my music folders. Suddenly, access was denied (error 0x80070005).

I can't get into administrator account, nor to search or finder (msconfig). I tried to reverse it to a different date to see if it would solve itself,

but I got nothing. I can't open TuneUp Utilities to try to undo whatever the program changed. Nor do I know it it was caused by a virus.

In the Web I read some possible answers and tried to follow them, but it does not allow me. It keeps telling me that only the Administrator can open ... anything. What can I do before I "empty" the whole thing?. I can't get into any folder to remove or copy them

and thus save the contents.

I would much appreciate your advice. Thank you.

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