BitDefender users were surprised after updating to see all system files (dll) for Windows infected by “Trajoan.fakealert.5. This is a global phenomenon due to error, not a virus.

if your computer does not work, does not respond … do not panic, just off the realtime protection and to restore the infected files (if you did not deleted! If you need to reinstall your entire system) and wait until the next update of BitDefender.

Fix Trojan.fakealert.5 problem The BitDefender company is working on fixing the trojan.fakealert.5 problem. They have already posted information on their support forums mentioning that company will be issuing an automatic update as soon as possible.