I would first like to know why? Has an ADULT locked you out? I afraid that I would be of no help to you unless I knew who you are in person........and if you are the administrator, then you could always backup and format......
sry for my lack of help
Win10/HAF X/CM 1000W gold/Z77X-UD5H/OC'ed 3770k @4.5GHz/32g G Skill/OC'ed GTX780 @1063MHz-6608MHz/850EVO256g/Vertex3 120g/WD 500 Blk/3 x WD 1T Blk
Win10/CM Centurion/650W/Z77X-UD3H/OC'ed 2500k @ 4.1GHz/16g Kingston Hyper X/HD6870/HyperXFury SSD 120g/WD 500 Blk/WD 1T Blk
UBUNTU 15/ AMD @3.2ghz/ GTX460 1g/ 8g Kingston 1600/ 2 x 500g HDD
doesn't keep me up nights, no siree