Even if you find a file, placing an unsigned or incorrectly versioned mshta.exe into System32 will trigger Windows File Protection (WFP) or Windows Defender. The OS will likely flag it as a threat or delete it immediately.
If you have landed on this page searching for , you are likely encountering one of two scenarios:
manually. It is already built into Windows. If a website asks you to download or run it, close the site immediately Don't paste commands:
If you search for a download link for this file, you will find dozens of "DLL download" or "EXE download" websites. These are some of the most dangerous places on the internet.