把
KdDebuggerEnabled，KdEnteredDebugger，KdDebuggerNotPresent搞定了后，
在DXF登陆界面，输入账号密码后，windbg就不停得断下来。

1: kd> g
Single step exception - code 80000004 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
001b:108df6ed 684888a9cb      push    0CBA98848h

1: kd> r
eax=0004829a ebx=07866008 ecx=00000064 edx=00000482 esi=00000000 edi=00000000
eip=108df6ed esp=0966ec40 ebp=0966ec50 iopl=0         nv up ei pl nz na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000206
001b:108df6ed 684888a9cb      push    0CBA98848h

1: kd> g
Single step exception - code 80000004 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
001b:108df6ed 684888a9cb      push    0CBA98848h

上面的Single step exception 是什么回事，单步异常？？？为什么不停的断下来。
求提示求原理

[培训]内核驱动高级班，冲击BAT一流互联网大厂工作，每周日13:00-18:00直播授课