No - that would involve re-writing the Windows log-in script software. Microsoft does not allow the end-user access to the Windows source code.
The ____ dialog box in Windows appears each time a user attempts to perform an action that can be done only with administrative privileges
User account control
If you are running Windows on a Mac then you can use the Windows Live software. If you do not have Windows on your Mac you can use a Windows live HotMAil account or use Messenger for chat. (See links below)
Windows
If you are using the Windows operating system then it is possible. If you are using Mac OS X then it is not possible.
There is no root account in Windows XP. Nor is there an account that is a "superuser" account in the traditional sense.
Doing so cause your computer to have a chance of being removed of its Windows program.
There is no charge to have an account with windows live. Windows Live is a free email service, in which a free account is set up, that can also be used with Windows Messenger and Microsoft accounts.
To unlink your hotmail account from your Windows 10 computer go to Settings > Account and there will be an option to remove your hotmail account.
It will be difficult, if at all possible. Cortana arrived with Windows 10 and likely embedded within the operational software.
Provided that the other user has an account or the guest account is enabled, select: Start>Switch user
Datetime protocol is possible in Windows of the protocol logging that is available in windows.