Maya found it: NDP40-KB2468871-v2-x86-x64-AllOS-ENU.exe . She checked the digital signature—it said Microsoft Corporation.
“Exactly,” Leo said. “That’s what those pop-ups are. They know people search for ‘.NET Framework 4.0’ because older software still needs it. So they create scary or exciting ads—words like ‘EXCLUSIVE’ or ‘URGENT UPDATE’—to trick you into downloading a virus, adware, or worse.” -EXCLUSIVE- Download Net Framework 4.0 V 30319
“No,” Maya admitted.
Maya did. “Okay. Gone.”