“ExpertProjectSearch” will damage your computer.

First, start your Mac in "Safe Mode": How to use safe mode on your Mac - Apple Support. Starting in Safe Mode takes longer than usual so let it finish.

While in that mode, drag all the files in those three folders to the Trash except those with the following in their names:

Apple

Google

Microsoft

Synamedia

Zoom

Those are ok. Leave them in place. When you are finished those few are the only files that should remain in those folders.

Then, restart your Mac normally, and test.

maybe

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