Launchpad Icon Bug FIX (missing icon)

Open Terminal. Copy and Paste the following bolded command. Enter it. Log out of your
account and log back in. This will fix your problem. You can subsequently trash the file moved to your desktop.

mv ~/L*/Application\ Support/Dock/*.db ~/Desktop; killall Dock; exit

Now Log Out and Login Again Problem will be gone.....

                                                                             Thanks.....to...

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