Windows 7用戶帳戶控制詳解

Windows7用戶帳戶控制詳解用戶帳戶控制(UAC)——曾經(jīng)在Vista中飽受批判的一個(gè)功能。只要系統(tǒng)稍作改變，它就會(huì)頻繁彈出對(duì)話框來尋求用戶的許可，因此它成為了Vista中最受痛恨的一個(gè)功能。另外使用UAC對(duì)一個(gè)程序進(jìn)行判斷有時(shí)候也很復(fù)雜。而且微軟在僅為UAC提供兩個(gè)選項(xiàng)：開啟UAC或者關(guān)閉UAC，許多用戶常常因?yàn)槿淌懿涣薝AC的折磨而選擇關(guān)閉。那么UAC在Windows7里有了什么樣的改變呢？在Windows7中，微軟讓用戶可以選擇UAC的通知等級(jí)，另外還改進(jìn)了用戶界面增加了相關(guān)的信息和提示。Windows7安裝完成之后會(huì)創(chuàng)建一個(gè)受保護(hù)的管理員賬戶，但是帶來的是與Vista不同的UAC設(shè)置：-NotifymeonEywhenprogramstrytomakechangestamycomputer-NotifymeonEywhenprogramstrytomakechangestamycomputer■Don'tnotifymewhenImakechangestoWindowssettingsRecommendedifyouusefamil'arprngram^an。；vifitfamiliarwebsites默認(rèn)的情況下，僅在程序作出改變時(shí)才會(huì)彈出UAC提示，用戶改變系統(tǒng)設(shè)置時(shí)不會(huì)彈出提示。新的UAC圖標(biāo)也有所改變，看起來比Vista里面的舒服些：UserAccountsUserAccounts弓fanvlySafety雪MHDrrSetupparentalcentraPsfardriyuserWindows7下的UAC設(shè)置提供了一個(gè)滑塊允許用戶設(shè)置通知的等級(jí)，你可以選擇以下4種選項(xiàng)：

AlwaysnotifyAlway¬ifyNevernotify，球Notrecommendedbut匚anbeselectedifyouu&eprogramsthatareAlwaysnotifyAlway¬ifyNevernotify，球Notrecommendedbut匚anbeselectedifyouu&eprogramsthatarenotcertifiedf.?r7 ■■becausetheydonotsuppoitUseAcloluilCoiitrjlSlL-?Neverno-tifyAlwaysnotifyNeverirotifymewhen;Programstrytoins-tallso-ftwareormakechangestomycomputer?ImakechangestoWindowssettingsNevernotifyDefault-Notifymeonlywhenprogra；mstrytomaskechaingesto-mycormpLiterRecommendedifyouusefamifia.r阡□/舊中桂rndvisitfamiliarwebsitesNotifymeonlywhenprograrostrytomakechangestomycomputer[doriotdimmydesktop)*DorTtnotifymewhenImakechang西toWindowssettingsCanbeselectedifyouusefamitiarprogramsandvi&itfamiliarwebsitesNotdimmingthedeskt叩might rinterferewiththeUserAccountContio-lprompt褰僵圃TAlwaysnotifyAtwaysnotifymewhen:Programstrytoins-t^Hreormakechan^es-tQmycomputerImakechangestoWindowsaettings<)Recommendedifyouroutinelyinr-i!ne-vsofr^ir^andvisitunfamiliarwebsitesNevernotify以下是當(dāng)你運(yùn)行一個(gè)知名公司發(fā)布的程序時(shí)所彈出的UAC提示（藍(lán)色）:1UserAccountControlHidedetailsCharicie即hen七卜1UserAccountControlHidedetailsCharicie即hen七卜feeFileorigin;HarddriveunthiscomputerPro-gramIocation:"L\Softwvares\AdbeRdr812_en_U5.exe1ramname:AdobeReader8.1.2Doyouwanttoallowthefollowirgprogramtomakechangestothiscomputer?以下是運(yùn)行不知名公司發(fā)布的程序所彈出的UAC提示（黃色）:LtserAccountControl $時(shí)0定配backDoyouwarttoallowthefollowirgprogramfromanunkrownpublisherlomakechangestothiscomputer?Programname:7z457.exePProgramname:7z457.exePuBlisher: UrbknownFileorigin: downloadedfromtheInternetProgramlocation:"L:\Softwares\7z457.exe'1你可以看到用戶可以直