This usually means the necessary files have somehow been altered or did not download correctly.  This warning may also appear if the other driver used by MPE+ are corrupt.  If this happens, please try the following:

  1. Close MPE+
  2. Delete the contents of “%AppData%\AccessData”
  3. Start MPE+
  4. Download the Physical Acquisition Support files again

If the warning still presents itself:

  1. Uninstall all of the following, if present, via the Windows Control Panel:
    AccessData MPE+
    AccessData Mobile Phone Examiner Drivers
    MPE Smartphone Driver
    iTunes
    Apple Application Support
    Apple Mobile Device Support
    Bonjour
  2. Delete all the following folders, if present:
    “%UserProfile%\AppData\Roaming\AccessData”
    “%UserProfile%\AppData\Roaming\Apple Computer”
    “%UserProfile%\AppData\Local\Apple”
    “%UserProfile%\AppData\Local\Apple Computer”
    “%ProgramData%\Apple”
    “%ProgramData%\Apple Computer”
    "%ProgramFiles%\AccessData\Mobile Phone Drivers"
    "%ProgramFiles(x86)%\AccessData\Mobile Phone Drivers"
  3. Reboot
  4. Verify the MD5 of your MPE+ ISO
  5. Mount the MPE+ ISO and install MPE+
  6. Start MPE+
  7. Download the Physical Acquisition Support files again