After I downloaded "" then i rebooted my laptop. Then the laptop screen turned black but the cursor is movable and I can run 'ctrl + alt + delete'. When I run CONTROL PANEL it says "Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source." 26ee0668-a00a-44d7-9371-beb064c98683 file. PLEASE HELP ME!!! :<

If the screen is black, how do you get to see Control Panel? Or are you saying you've lost the screensaver image that displayed before?

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