This can  happen if you are using InterGUI with the Interception driver, and EasyAntiCheat software is blocking this third-party application.


Doing a quick Google search for others having this issue, they resolved it by:

Quick Interception Uninstallation Guide:
  1. Download Interception: https://github.com/oblitum/Interception , Download interception.zip.
  2.  Extract Files: Open interception.zip, Go into the Command line installer folder.
  3.  Open CMD as Administrator: Search in Windows for CMD, Run it as an administrator.
  4.  Navigate in CMD: Type cd [path to command line installer folder] (e.g., cd C:\Users\YOURUSERNAME\Downloads\interception\command line installer), Press Enter.
  5.  Uninstall Interception: Copy and paste install-interception.exe /uninstall Press Enter.
  6.  Restart your computer.