well I fixed it I'm assuming, everything is back to normal. Linux storage was full and started clearing unused apps and it works now. thanks to everyone who tried to help.
yea language is English and password has no special characters and has been the same one for a few months. its letting me log in via su root but then when I try to do certain things it ask for sudo password and tells me it's incorrect. and gives the lecture about privacy.... I seen it say add my...
alright the other night I log in as su root password was fine, then it asks for password for sudo so I type it and it's apparently wrong and I have no permissions to install software on Linux apps. and I keep getting this in the terminal I don't know what to do.