(xfwm4:31976): xfwm4-WARNING **: 10:16:58.767: The display does not support the XRender extension. Xfwm4 has seemingly not crashed, and the space for the window titlebar is reserved. When using Xfwm4 with VNC, the decorations are not drawn. (xfsettingsd:20627): xfsettingsd-CRITICAL **: 12:49:29.780: Failed to initialize the Accessibility extension. (xfsettingsd:20627): xfsettingsd-CRITICAL **: 12:49:29.780: Failed to initialize the Xkb extension. Xfsettingsd-CRITICAL **: 12:49:29.776: RANDR extension is too old, version 1.1.

The closest thing I've found to an explanation is here: But none of those fixes work. Xfwm4-Message: 12:55:18.822: Unsupported keyboard modifier 'Tab' Waiting for current window manager (Xfwm4) on screen :1.0 to exit: Done (xfwm4:21159): xfwm4-WARNING **: 12:55:18.501: The display does not support the XPresent extension. (xfwm4:21159): xfwm4-WARNING **: 12:55:18.500: The display does not support the XFixes extension.

(xfwm4:21159): xfwm4-WARNING **: 12:55:18.500: The display does not support the XDamage extension. (xfwm4:21159): xfwm4-WARNING **: 12:55:18.500: The display does not support the XComposite extension.

(xfwm4:21159): xfwm4-WARNING **: 12:55:18.497: The display does not support the XRender extension. (xfsettingsd: 20627): xfsettingsd- CRITICAL **: 12:49:29.780: Failed to initialize the Accessibility extension. (xfsettingsd: 20627): xfsettingsd- CRITICAL **: 12:49:29.780: Failed to initialize the Xkb extension. Xlib: extension 'XInputExtension' missing on display ':1.0'. Xfsettingsd- CRITICAL **: 12:49:29.776: RANDR extension is too old, version 1.1. Running xfsettingsd manually gives a few errors: One of the comments on that askubuntu post suggests a problem with xfsettingsd. com/questions/ 339593/ missing- icons-for- headless- xfce-session- via-vnc But none of those fixes work. The closest thing I've found to an explanation is here: https:/ /askubuntu. I came here looking for a fix to this for my Mint 19.3 (Ubuntu 18.04) install.

Vnc on ubuntu 20.04