Restore application launcher

Raspberry Pi 3 Model B V1.2

  $ cat /etc/debian_version
  9.11

I had an issue on application launcher. It freezed when I tried to application to menu bar.

For resolving this, I run:

  $ rm -r ~/.config/lxpanel
  $ sudo service lightdm restart

Ref: How do I restore the Application Launch Bar in Desktop GUI (LXDE)?

Ref: R-Pi Troubleshooting