How to Block a Trojan Virus
- 1). Launch your anti-virus software. The launch icon is found on the desktop in the start menu or in the program folder. If you need anti-virus software with real-time protection there are free options in the resource section.
- 2). Follow the on-screen directions to update the virus definitions. These files allow the real-time protection to detect and block Trojans.
- 3). Ensure that your anti-virus is using real-time protection. This is generally a standard option in the software. A good indication that real-time protection is present is the presence of an icon for the anti-virus software in the task tray.
Source...