Open Task Manager ( Ctrl + Shift + Esc ), find un.exe , right-click, and select End Task . Do this before deleting the file.
Many applications built using the NSIS framework use un.exe during the removal phase.
Have you encountered un.exe on your system? Did you find it in a different location? Let me know in the comments below.
Every so often, a filename starts circulating in IT support forums and Reddit threads that makes administrators break out in a cold sweat. The current contender for "Most Suspicious File of the Year" is a small, unassuming executable named un.exe .
Within seconds, the folder was filled with hundreds of them. His fan began to whir, a mechanical scream as the CPU hit 100% load. Elias reached for the power button, but his mouse cursor began to move on its own. It didn't go for the Start menu. It went for the .
It has been identified as a component of NextDNS , MEGAsync , and various Avira utilities .