wrap stack walks in SEH - this doesn't fix page faults tho, so something else is...
drwxr-xr-x - freeldr
drwxr-xr-x - msvc6
drwxr-xr-x - os2
drwxr-xr-x - posix
drwxr-xr-x - reactos
drwxr-xr-x - rosapps