Hi! I just had this issue. I ended up deleting the esp32 link for Additional Board Managers URL in preferences, but that only made it freeze on " Downloading index: library_index.tar.bz2" process." I followed the instructions from Exceptionally long duration of "Downloading index: library_index.tar.bz2" process · Issue #2347 · arduino/arduino-cli · GitHub and opened the IDE with my wifi off and that solved my issue (temporarily, at least). Hope this helps!