Apparently, according to WinDbg, it's doing something naughty after ExitProcess is called. It will break on ExitProcess (no violation). But later,
Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=00000000 ebx=0000ffff ecx=ffffffff edx=00d8db10 esi=1020d000 edi=8ca4435c
eip=7c901240 esp=00d8daf8 ebp=00d8db18 iopl=0 nv up ei pl zr na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010246
7c901240 f2ae repne scas byte ptr es:[edi]
WARNING: Stack unwind information not available. Following frames may be wrong.
You grabbed 10.0.69 before I was finished uploading everything.
I've removed build 69, changed the version number, rebuilt everything
(nothing else changed), turned off the web and ftp sites to prevent the
same thing happening, uploaded build 70, and turned everything back on.
Let me know if you have any problems with build 70.
(It would be safer to wait until I announce a new build before