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The hierarchy of registry keys can only be accessed from a known root key handle (which is anonymous but whose effective value is a constant numeric handle) that is mapped to the content of a registry key preloaded by the kernel from a stored "hive", or to the content of a subkey within another root key, or mapped to a registered service or DLL ...
Microsoft Defender Antivirus provides several key features to protect endpoints from computer virus. In Windows 10, Windows Defender settings are controlled in the Windows Defender Security Center. Windows 10 Anniversary Update includes several improvements, including a new popup that announces the results of a scan. [17]
In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.
System Locked Pre-installation (SLP), also referred to as OEM Activation, is a product activation procedure for Microsoft Windows used by major OEMs of laptops and pre-built PCs wherein a Windows product key is added and locked to the machine's firmware before mass distribution. SLP product keys cannot be moved to other machines.
User control over Windows Updates is removed (except in enterprise versions). In earlier versions, users could opt for updates to be installed automatically, or to be notified so they could update as and when they wished, or not to be notified; and they could choose which updates to install, using information about the updates.
Windows 10 Creators Update [1] (also known as version 1703 and codenamed "Redstone 2") is the third major update to Windows 10 and the second in a series of updates under the Redstone codenames. [2] It carries the build number 10.0.15063.
It was already known that Microsoft used two keys, a primary and a spare, either of which can create valid signatures. Upon releasing the Service Pack 5 for Windows NT 4.0, Microsoft had neglected to remove the debugging symbols in ADVAPI32.DLL, a library that exposes such Windows features as Windows Registry and security.
DPAPI security relies upon the Windows operating system's ability to protect the master key and RSA private keys from compromise, which in most attack scenarios is most highly reliant on the security of the end user's credentials. A main encryption/decryption key is derived from user's password by PBKDF2 function. [2]