ty^^
but the version of conquer i use is not packed by upx (im playing on conquer french)
the size of conquer.exe is 1.63M and PEiD detect nothing
i have changed the EP to the Original EP

<--- like that
its work but not solve the problem with ollyDbg when i attach process
Original conquer.exe with ollydbg

after i change the EP (the size of conquer is 1.64M after the change)