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User Account Control (UAC) is a mandatory access control enforcement feature introduced with Microsoft's Windows Vista [1] and Windows Server 2008 operating systems, with a more relaxed [2] version also present in Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 11.
One thing was true until Windows 7: the user shouldn't use the Admin account all the time. It needed to have a normal-account for day-to-day use, and an admin account only for making system changes. But with UAC, even and admin need to "authorize" applications to make changes, without this need of logging out and logging in again.
An autoblock is an automatic block of an IP address.Autoblocks are the result of an attempt to edit Wikipedia from an IP address recently used by a blocked user. Each time a user edits Wikipedia, the IP address from which the edit was made is logged (this log is accessible only by a very small number of trusted users, called checkusers).
By default, Windows Vista and later use User Account Control (UAC) to enforce security. One of UAC's features denies administrative rights to a user who accesses network shares on the local computer over a network, unless the accessing user is registered on a Windows domain or using the built in Administrator account.
User Account Control uses a combination of heuristic scanning and "application manifests" to determine if an application requires administrator privileges. [19] Manifest ( .manifest ) files, first introduced with Windows XP, are XML files with the same name as the application and a suffix of ".manifest", e.g. Notepad.exe.manifest .
Applications written with the assumption that the user will be running with administrator privileges experienced problems in earlier versions of Windows when run from limited user accounts, often because they attempted to write to machine-wide or system directories (such as Program Files) or registry keys (notably HKLM) [2] UAC attempts to ...
The Indexing Options Control Panel applet for Windows Search no longer includes the diagnostic option that was available in Windows Vista (Restore Defaults) to reset the Index to its original settings and rebuild the Index after the computer restarts; it is only possible to delete and rebuild the Index during the current user session (Rebuild ...
A new user interface for User Account Control has been introduced, which provides the ability to select four different levels of notifications, one of these notification settings, Default, is new to Windows 7. [95] Geo-tracking capabilities are also available in Windows 7. The feature will be disabled by default.