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To resolve the issue:

  1. Apply the update for Windows 7 (KB3139923).
  2. Reinstall the Apex One Security Agent.
     
    If the problem persists, manually remove remnants of the Apex One/OfficeScan agent installation by following the steps in this article, and then try reinstalling the Apex One Security Agent again.

For support assistance, please contact Trend Micro Technical Support.