PPSC Assistant Sub Inspector (2020) Anti-Corruption, Computer MCQs, PPSC Solved Past Papers MCQsWhat program runs first after computer is booted and loading GUI? Posted on March 26, 2021April 27, 2021 by Rana TahirA. Authentication B. Windows Explorer C. File Manager D. Desktop ManagerShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)