Inactive antivirus not working copy paste not working

[Inactive] antivirus not working copy paste not working

hi iam new on thise site
i need some help i have a dell inspirtation laptop
my laptop was having too mach slowleness and i restarted it after
that alot of stuff stoped working when i open
pages or any window it does not apear on taskbar
i cannot copy past any file
norten anti virus does not work will at all(it opens only) and when i try to scan c: or d: it tells me it cannot preform right click to scan in safemode there is not taskbar
same scan virus issue also i can barely open usb it keeps telling me it want to format it pleaeese help
forgive my bad english it was hard sending thise