When connecting to VNC either screen is black or icons are shown but no menu or screen background

• This issue occurs due to changes in the default service unit file. The changed file which is causing the error is given below;

[Service] Type=forking
User=<USER>

# Clean any existing files in /tmp/.X11-unix environment
ExecStartPre=-/usr/bin/vncserver -kill %i
ExecStart=/usr/bin/vncserver %i
PIDFile=/home/<USER>/.vnc/%H%i.pid
ExecStop=-/usr/bin/vncserver -kill %i

• The correct file is shown below;

[Service] Type=forking

# Clean any existing files in /tmp/.X11-unix environment
ExecStartPre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
ExecStart=/sbin/runuser -l <USER> -c "/usr/bin/vncserver %i"
PIDFile=/home/<USER>/.vnc/%H%i.pid
ExecStop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'

• To resolve this error, apply the latest OS updates.