Clion syntax checking and code completion are not working

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I opened clion again after a long period of non-use and suddenly neither its syntax checking nor code completion hint functions worked. It will start with a warning as follows. I switched Clion to several other version but they are all not working.

The operating system versions are shown below.

The windows version is Windows 11 Home Edition version 21H2.

The toolchain I use is listed below

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Hello!

Please manually delete clangd from the tmp directory in WSL and restart CLion. Does it help?

You can also try this workaround pointed by one of our users.

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