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There are two ways to resolve this issue. Follow either of the options below:

Option 1 (Recommended)

Use the workaround that CA released.

 
  • The instructions are in Japanese. For further assistance on the workaround, contact CA support.
  • The Agent for Open Files has been updated to ensure that it runs properly in computers installed with 
    Trend Micro anti-virus products.

Option 2

Add the product temp folder in the scanning exception list to eliminate the interference of the ofant.sys driver.

  1. Log on to the WFBS console.
  2. Click Security Settings.
  3. Click the group or domain that you want to configure.
  4. Click Configure.
  5. Click Antivirus/AntiSpyware.
  6. Under Exclusions section, enter the default Client/Server Security Agent temp folder.
    • For WFBS 8.0/9.0:
      • 32-Bit: C:\Program Files\Trend Micro\Client Server Security Agent\Temp.
      • 64-Bit: C:\Program Files (x86)\Trend Micro\Client Server Security Agent\Temp.
    • For WFBS 7.0: C:\Program Files\Trend Micro\AMSP\Temp.
  7. Click Add.
  8. Click Save.
  9. Open the Registry Editor (regedit.exe) to verify that the setting has been deployed to the client side. The "ExcludedFolder" registry hive should contain the folder you added.
  10. Configure Manual Scan or Scheduled Scan.
    1. Click Scan > Manual Scan or Scheduled Scan.
    2. Click the group or domain you want to configure.
    3. Repeat Steps 6-8.

For more related information, refer to the following CA links:

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