Frozen glass

 https://webdesign.tutsplus.com/tutorials/how-to-create-a-frosted-glass-effect-in-css--cms-32535

background: rgba(255,255,255,.4);

body {

  background: url(https://images.unsplash.com/photo-1544306094-e2dcf9479da3) no-repeat;

  /* Keep the inherited background full size. */

  background-attachment: fixed; 

  background-size: cover;

  display: grid;

  align-items: center;

  justify-content: center;

  height: 100vh;

}

.container {

  width: 30rem;

  height: 20rem;

  box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .2); 

  border-radius: 5px;

  position: relative;

  z-index: 1;

  background: inherit;

  overflow: hidden;

}

.container:before {

  content: "";

  position: absolute;

  background: inherit;

  z-index: -1;

  top: 0;

  left: 0;

  right: 0;

  bottom: 0;

  box-shadow: inset 0 0 2000px rgba(255, 255, 255, .5);

  filter: blur(10px);

  margin: -20px;

}

<div class="container"></div>

+♀☼►♪♫+

PrintNightmare in Windows patch:

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527

https://www.howtogeek.com/702540/how-to-uninstall-a-program-on-windows-10-from-command-prompt/