Perform each of the steps below to enable Real-Time Scanning in the SecurityCenter. If Real-Time Scanning will not start or becomes disabled again, continue to the next step.
Step 1 - Run an UpdateRight-click the M icon in your taskbar and choose Check for Updates...
Step 2 - Enable Real-Time Scanning in SecurityCenter
- Double-click the M icon in your taskbar.
- Click Navigation and select the Real-Time Scanning link.
- Click Turn On.
NOTE: The Turn On button will be available only when Real-Time Scanning is off.
- Return to the main SecurityCenter page and verify that Real-Time Scanning remains on.
- Close SecurityCenter.
Step 3 - Run McAfee Virtual Technician (MVT)McAfee Virtual Technician (MVT) is an automated self-healing tool that can diagnose and fix many problems related to Internet Security Suite.
Go to http://mvt.mcafee.com and follow the prompts to install and run MVT. If MVT discovers any problems, allow it to repair those problems and attempt to enable Real-Time Scanning again.
Step 4 - Download and run the oas-disabled-fix.cmd utility
- Download and save the utility from the link below to your desktop:
- Double-click the oas-disabled-fix.cmd tool.
NOTE: Windows Vista and 7 users should right-click oas-disabled-fix.cmd and select Run as Administrator.
If you receive the error StopService: Unable to open service McShield via SCM (5), press CTRL+C to terminate the process. You will be prompted to terminate the batch job. Type Y and press ENTER. Run the oas-disabled-fix utility again.
- Restart your computer and ensure that SecurityCenter shows that Real-Time Scanning is enabled.
Step 5 - Check for third-party security softwareOther security software may cause a conflict with your McAfee Security Suite. For instructions on how to remove incompatible third-party applications and a list of many incompatible products, see article TS100914 for 2010 products and article TS101083 for 2011 products.
After you have removed any incompatible software and restarted your computer, enable Real-Time Scanning in SecurityCenter.
Step 6 - Remove and reinstall your McAfee Security SuiteFor details on removing and reinstalling your McAfee Security Suite, follow the instructions in FAQ article TS100507.
If your Real-Time Scanner is still disabled, you wil need to contact Technical Support: http://service.mcafee.com/TechSupportHome.aspx?lc=1033&sg=TS