Ñîçäàéòå ÿðëûê íà ôàéë, êîòîðûé óäàëèò MSE:
"C:\Program Files\Microsoft Security Client\Setup.exe" /x /disableoslimit
è çàïóñòèòå åãî â ðåæèìå ñîâìåñòèìîñòè ñ Windows 7