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Ubuntu Menu and Launcher not showing after 2/16/2018 update
February 17, 2018
Edited: February 18, 2018
November 24, 2022
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This doesn’t sound like the bug linked in the OP’s question or the close candidate in the comments section: 2/15/18 compiz update broke unity. It sounds more like this common problem: Unity doesn't load, no Launcher, no Dash appears
This is especially true due to comments in deep within my proposed link stating the guest session works perfectly just not the normal user. The OP here has same scenario.
Try the simple solution there by opening a terminal and typing:
rm -rf ~/.config/compiz-1/compizconfig/* sudo reboot
Some users say it works right away while someone else says the reboot is necessary.