The New Face Of The Vista SP1 User Account Control With the maturity milestone that is the introduction of Service Pack 1 for Windows Vista, Microsoft has improved various aspects of the operating system, including the User Account Control. Introduced as an added security mitigation into Windows Vista, UAC is one of the features of the operating system that have been under a constant barrage of fire, throughout 2007, as it was advertised as one of the platform's problem areas .... in Public bookmarkswith accountmicrosoftnewpackservicesp1uservistawindows