Flight Simulator 2002 Error Message

[Bigdaddyum]

Every time I try to install Flight Simulator 2002 I get a error message the message is below I originally unpacked it from a .ACE file thanks for any help Bigdaddyum

Could not verify installation media. Click Cancel to end setup or Retry to attempt to continue. for more information, see the read me, which is available on the root of disk