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.