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Bluestacks virtualization crash2/24/2023 ![]() ![]() The change Microsoft made stopped applications from writing to system files and folders unchecked, which included %ProgramFiles%, %Windir%, %Windir%system32, and the registry path HKEY_LOCAL_MACHINESoftware. UAC breaks Legacy Software, so Microsoft finds a Workaround User data was also potentially scattered all over the place in obscure sub-directories within application paths prior to Microsoft forcibly ending such shoddy data management. If the software could write to any location with no authorisation required, it could damage files or data, circumvent the operation of other programs, and install or modify anything it liked, all with no oversight and no way for the user to know that their computer was potentially being taken over and controlled by a rogue application. This was a great innovation, from both a security and data management point of view. ![]() If such access is required (such as installing an update) the UAC prompt requests the user to provide consent before system changes can be made. Without authorisation from an administrator, a software call to write to a system path would fail and the program couldn’t execute. Generally speaking, software shouldn’t need write access to system paths during normal operation, so Windows explicitly restricts them to only run in the user context, significantly improving security over prior operating systems like Windows XP. ![]() Microsoft introduced UAC in Windows Vista (and Server 2008) to limit system-level changes to privileged administrative accounts only. Most Windows users will have seen the User Account Control (UAC) execution prompts, that request the user to confirm if they really want to provide a piece of software with privileged permissions: So you know what Virtualization is, and you know what UAC is, but what’s UAC Virtualization? User Account Control (UAC) is more than just a Prompt ![]()
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