The Windows login screen is a locked display that controls access of the user desktop through various sign-in options. For security reasons the login screen doesnt allow you to save screenshots with most tools and shortcut keys. This article covers the available Windows login screen capture methods that work for Windows.
Apart from using screenshot tools most PC and laptop keyboards have a Print Screen key to capture screenshots of the desktop. All these methods utilize a system request to capture the screen elements in the form of a JPEG image which is then pasted into a program like Paint or Word Processor.
With the Windows login screen some restrictions are imposed on grabbing screenshots by a Run command called Winlogon which can be accessed from the Start menu. It controls user login logout loading user profile lockscreen details and authentication.
There are many kinds of malware that depend on screenshots to steal your passwords and files8230. Read more.