A fost dezactivat de un virus, iti recomand sa faci o scanare de virusi cu combofix http://www.bleepingcomputer.com/download/combofix/ si malwarebytes http://www.softpedia.com/get/Antivirus/Malwarebytes-Anti-Malware.shtml
dupa reactiveaza task manager, gasesti aici cum se face http://www.tweakandtrick.com/2011/07/enable-task-manager-windows-virus.html