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To resolve the issue:

 
If you are upagrading WFBS, back up the important files first. For the list of files to back up, refer to this article: Files to back up before upgrading WFBS
  1. Unshare the :..\Trend Micro\Security Server\PCCSRV directory.
  2. Right-click PCCSRV and select Properties > Sharing.
  3. Click Do not share this folder and then click OK.
  4. Reinstall the security server.

If the procedure still fails:

  1. Manually uninstall the security server.
  2. Reinstall the security server.

For technical assistance, contact Trend Micro Technical Support.

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