Most program icons look the same after high sierra update

high sierraiconsoftware-update

After an update to high sierra most program icons look the same.

enter image description here

Any ideas how to fix that?

Best Answer

Do you have League of Legends installed on your Mac ? It seems to be the cause of the issue for many other mac players.

https://boards.na.leagueoflegends.com/en/c/bug-report/rA0p1rYx-client-updating-on-mac-high-sierra-messes-up-other-application-icons

Unfortunately there is nothing you can do until Riot acknowledged the problem and deploy a fix.

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