Launcher cripples wifi speed & ping (so does java installation)

Launcher for Windows

Windows 10.0 2.3.394

Tuesday, August 30, 2022, 3:25:56 PM

 

My laptop is running Windows 11. When I connect to the MCL, my wifi speed has a long ping, 5% up and 2% down versus normal. The same goes for running a java installation. Quitting the launcher only does not solve it. If I disconnect from the launcher and from the java installation, then my internet speeds return to normal.

Turning off Windows Defender Firewall did not help.