Today on all Windows XP computers stopped working Microsoft Antimalware Servicehttps://social.technet.microsoft.com/Forums/systemcenter/en-US/e905da87-ec3e-4af7-aad5-8403e7de60b4/today-on-all-windows-xp-computers-stopped-working-microsoft-antimalware-service?forum=systemcenterrom by lawl • 12 years ago 3 0 12 years agoSOsocial.technet.microsoft.com