It is hurting it. It means your DX9 version is not being updated. This is not something we have control over.
If you are running any anti-xxxx software, such as AVG, Avast, Norton, McAfee, and/or Kaspersky, they are all known to interfere with Aces High III, at one time or another and corrupt patches.
Also, if you are running the game off an SSD, then the SSD itself could corrupt the patch installation due to some SSD's having a firmware bug we happen to hit.