POTUS is the acronym for President of the United States. It is only used for the sitting President, so now refers to Pres. Trump. Probably used within the White House and Security Service for decades, it was explained and popularized on the show The West Wing. Note: This question initially asked why Pres.
What is miisclient.exe. miisclient.exe is a process from Microsoft Corporation. It can be found in the location of C:\Program Files\Common Files. It is a potential security risk which can be modified maliciously by virus.miisclient.exe virus should be disabled and removed if it was attacked and brought you windows xp/vista/7 errors.hat is miisclient.exe. miisclient.exe is a process from Microsoft Corporation. It can be found in the location of C:\Program Files\Common Files. It is a potential security risk which can be modified maliciously by virus.
The most common MIISCLIENT.EXE errors that can appear on a Windows-based computer are:  1 MIISCLIENT.EXE Application Error..  2 MIISCLIENT.EXE is not a valid Win32 application..  3 MIISCLIENT.EXE has encountered a problem and needs to close.SDN Disc 2436.1), reinstall the program according to the Microsoft instructions. Tip: If you are positive that your EXE error is related to a specific Microsoft program, uninstalling and reinstalling your MIISCLIENT.EXE-related program will likely be the solution to your problem.