Windows 10 cannot access my account on a fresh install? - Microsoft Community

hey long time windows user here (grew on vista , xp 7 later on , dabbled in 8) , after having rebuild entire system because of windows product key error (dont ask long convoluted story) got finished redid overclock last night @ 3am est after causing system crash twice 1 accidentally going powerful overclock system , 2 because changed wrong number. once clocking finished , done restarted lock screen 1 last time check boot , went bed turning off lock screen. got morning (3/30/17) , left instantly not taking time turn on figuring id leave off until later evening when got back. 

i return home , flip on system , walk away feed cats , return find idling on lock screen ready go custom background lockscreen loaded telling me should okay. type pin number in and... doesnt take? system requesting microsoft password linked account (which shouldnt since linked pin number login) provide figuring took update last night after shut off , messed pin (this not unheard of). type password , load onto black set of screens 1 logo appearing on lefthand screen's taskbar on bottom, show applications button. hit ctrl alt del , still black screen naturally press in reset key , system loads again, kingston boot drive, disk drive, hard drive, normal lock screen system. once more put in password , time white box "windows loading preferences." ok little odd loads , still black screen. 3 more loads , receive generic windows desktop chrome avira scout , few of other programs rainmeter (personal program monitor disks, system stats , network info , down speed , ip address) box telling me windows cant load account , try signing out , in. 

eventually gave on hoping signing out , in 100 times solve , instead googled temp account , got 1 other person 5 hours ago similar issue , while there's solutions (to knowledge) newest windows update , while other options going attempted after finish copying windows user file still appreciate help. system's current build of windows everyone's information not half month old having been rebuilt little on week ago when windows read product key 7 copied ten (i upgraded) faulty or cracked key , told me "go buy new 1 aren't going you" yeah copy of windows fresh out box nothing on it. ive been playing games ive owned years on , talking friends online (i dont lot system). in short need help, current windows 10 updates (1607 updates last installed 3 days ago) nothing done overclock last night cpu made , have experience overclocking in past. need help

***post moved moderator appropriate forum category.***

Windows / Windows 10 / Performance & system failures / PC