PC isn’t allowing me do anything

Ayes334 - Updated on Oct 8, 2017 at 05:40 AM
my Drive (C:) deleted my McAfee , and won't allow me to redownload it, also I cant even access Drive (C:), nor can I turn on my windows firewall, And dosent let to any thing like access the internet . Pls help me beacose this is getting frustrating