lm ? @$exentry bp @$exentry
Make sure if you have the correct breakpoint address issue lm an exe without symbol will be shown as 0:000> lm start end module name 00400000 0040f000 image00400000 (no symbols) compare the NtHeader->AddresssOfEntrypoint with @$exentry 0:000> r $t0 = image00400000 0:000> ?? ((ntdll!_IMAGE_NT_HEADERS *) @@( poi( @$t0 + 0x3c ) + @$t0 ))->OptionalHeader.AddressOfEntryPoint + @$t0 unsigned int64 0x401280 0:000> ? @$exentry Evaluate expression: 4199040 = 00401280