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  1. Windows
  2. Windows Internals
  3. Security

User Account Control

Last updated 6 months ago

  • UAC - User Account Control

  • Was introduced in windows Vista.

  • Allows users to run application with normal user rights, and elevate to administrator rights when required.

UAC Virtualization

  • If an application was written in the windows XP days to perform administrative task, it would not know about the UAC mechanism which was introduced later.

  • UAC doesn't allow application to write user-specific data in global locations, or in the HKLM\Software hive.

  • UAC virtualization, if enabled, automatically translate these global location and hives to local per user area:

    • C:\Users\drdragon\AppData\Local\VirtualStore

  • For legacy application, virtualization is enabled by default. for newer application, it needs to be enabled. For system processes, applications can never be virtualized.

  • The virtualization is also a part of .

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