For some reason I need permission on my computer to delete a file o-0 which I dont get because im the owner of the computer...
Anybody can own a computer.
The ability to modify software on the computer is limited. Each time you install software there is information that tells you this and you checked a box that confirms you read it.
You must have forgot what it said.Leave it be unless there is a compelling reason to change it.
If it is a virus, then please provide more information.