user-mode subsystem

  1. Windows 8 BSOD Crash Code: 0xc000021

    Hi, guys., my friend's PC was fine until he re-signed in to him account today, after then it's crashed (BSOD), and code is: 0xc000021 here is crash dump analysis: On Thu 2014-05-01 00:39:36 GMT your computer crashed crash dump file: C:\Windows\Minidump\050114-17578-01.dmp This was probably...