nunit.exe can't work perspective 64bits x86 build

i am perspective 64 pieces i have digest built x86 configuration. work fine. now, during emanate test. have nunit 2.4.8 nonetheless have lot problem.

the exam loading tray nunit.exe (gui) name .dll directly nonetheless executing have system.badimageformatexception.

i have review poison google few pretence nunit.exe.config nonetheless zero work. (changing utf8... uncomment .net chronicle startup).

any idea?

update

i have purify fortitude erase bin folder. i accumulate i clearly i have wholly /x86/ bin office aged /debug/ x64.

when i nunit i have an difference (in loading) : system.io.filenotfoundexception...

server smoke-stack trace:
during system.reflection.assembly._nload(assemblyname filename, twine codebase, justification assemblysecurity, public locationhint, stackcrawlmark& stackmark, boolean throwonfilenotfound, boolean forintrospection)
during system.reflection.assembly.internalload(assemblyname assemblyref, justification assemblysecurity, stackcrawlmark& stackmark, boolean forintrospection)
during system.reflection.assembly.internalload(string assemblystring, justification assemblysecurity, stackcrawlmark& stackmark, boolean forintrospection)
during system.reflection.assembly.load(string assemblystring)
during nunit.core.builders.testassemblybuilder.load(string path)
during nunit.core.builders.testassemblybuilder.build(string assemblyname, boolean autosuites)
during nunit.core.builders.testassemblybuilder.build(string assemblyname, twine testname, boolean autosuites)
during nunit.core.testsuitebuilder.buildsingleassembly(testpackage package)
during nunit.core.testsuitebuilder.build(testpackage package)
during nunit.core.simpletestrunner.load(testpackage package)
during nunit.core.proxytestrunner.load(testpackage package)
during nunit.core.proxytestrunner.load(testpackage package)
during nunit.core.remotetestrunner.load(testpackage package)
during system.runtime.remoting.messaging.stackbuildersink._privateprocessmessage(intptr md, object[] args, vigilant server, int32 methodptr, boolean fexecuteincontext, object[]& outargs)
during system.runtime.remoting.messaging.stackbuildersink.syncprocessmessage(imessage msg, int32 methodptr, boolean fexecuteincontext)

exception rethrown during [0]:
during system.runtime.remoting.proxies.realproxy.handlereturnmessage(imessage reqmsg, imessage retmsg)
during system.runtime.remoting.proxies.realproxy.privateinvoke(messagedata& msgdata, int32 type)
during nunit.core.testrunner.load(testpackage package)
during nunit.util.testdomain.load(testpackage package)
during nunit.util.testloader.loadtest(string testname)

update 2

i am compiling any cpu i have run-down x86 instead x64. reason . already discussed before link. i have endorse nunit controlling 64bits mod corflags.exe