[flerovium]

I think the x64 isn't xterm. It's not clear what the client is (or what errors if throws if it breaks).

[19wintersp]

Again, let me stress this: xterm.js is providing the console only. Any visual things, including the x64 window, are provided by the VNC connection, which is completely independent of the xterm console.

[flerovium]

Exactly, it's not clear what VNC is being used.