A Windows Security Center balloon pop-up saying that the anti-virus is turned off appears even when OfficeScan client/agent services are running.
This issue is caused by Windows Management Instrumentation (WMI) issues.
Use winmgmt.exe to automatically repair the WMI:
- Click Start > All Programs > Accessories.
- Right-click Command Prompt and click Run as Administrator.
- Type the following command and press ENTER:
A message saying that the WMI repository has been salvaged will appear. Restart the machine and see if the issue is resolved.
If the issue persists, please contact Trend Micro Technical Support for assistance.