The world of Protected mode - SourceForge
What is Protected View? - Office Support Protected View is a read-only mode where most editing functions are disabled. There are several reasons why a file opens in Protected View: The file was opened from an Internet location - When you see the message in Protected View that says "Be careful - files from the Internet can contain viruses. DOS Protected Mode Interface - Wikipedia In computing, the DOS Protected Mode Interface (DPMI) is a specification introduced in 1989 which allows a DOS program to run in protected mode, giving access to many features of the new PC processors of the time not available in real mode.It was initially developed by Microsoft for Windows 3.0, although Microsoft later turned control of the specification over to an industry committee with What is protected mode? - Definition from WhatIs.com Protected mode is a mode of program operation in a computer with an Intel-based microprocessor in which the program is restricted to addressing a specific contiguous area of 640 kilobytes. Intel's original PC microprocessor, the 8088, provided a one megabyte (1 Mbyte) random access memory ( RAM ). The memory was divided into several areas for
Protected mode in IE7, IE8, IE9, IE10, and IE11 is a feature that makes it more difficult for malicious software to be installed on your computer. In addition to helping protect your computer from malicious software, protected mode allows you to install wanted ActiveX controls or add-ons when you are logged in as an administrator.
Protected Mode is not connected to startup. It's either always on or always off. If you disable PM via the UI or a registry key, it will always be disabled and the setting will not change on startup.
Prevent 'Protected Mode' dialog when opending (edit) a
Protected Mode is a key Reader and Acrobat security feature and should be enabled to protect user systems and data. Note: While Reader has supported Protected Mode since 10.x, Protected Mode is gradually being extended via a phased rollout to Acrobat's DC/Continuous track beginning June, 2020. When enabled, Protected View opens Office documents in read-only mode with macros and other content disabled. You can easily bypass Protected View if you need to edit a certain document or other Protected View provides an additional level of security. When Protected View in enabled, PDFs are displayed in a restricted environment called a sandbox.This isolation of the PDFs reduces the risk of security breaches in areas outside the sandbox. Adobe strongly recommends that you use Acrobat in Protected View if you are concerned about security, or if you frequently interact with PDFs on the Protected Mode does not ask anyone to "Enable All Features". PM is transparent to users, there is no UI, dialog, etc. associated with that feature (unless there's been a new behavior change I'm unaware of). However, Protected View does show the yellow message bar. As David pointed above, there's a registry pref to turn that off.