i had this problem. and find that: you have to check this git https://github.com/JetBrains/JetBrainsRuntime

and find out what is the compitable version of JBR with JCEF with your IDE version

press double "SHIFT" to show search

select "ACTION" tab

search "choose boot java run time ..."

select compitable JBR version

wait to download

restart ide

TADAAAA your welcome