Hello Janis, to understand what's causing the freeze we need to more information. Can you please contact our tech support: https://intellij-support.jetbrains.com/hc/en-us/requests/new … or report an issue on https://youtrack.jetbrains.com/issues/WEB and attach the IDE logs (menu Help - Compres logs).
A CPU snapshot captured when using Find in Path would also be helpful: https://intellij-support.jetbrains.com/hc/en-us/articles/207241235-Reporting-performance-problems … Thank you!