Simply deleting a clip from the timeline causes Premiere to freeze. Has happened several times in a row. Both Windows and Premiere are up to date. I saw another reference to this from a year ago but with no real answer.
Latest Premiere Pro
Intel(R) Core(TM) i9-10900K CPU @ 3.70GHz 3.70 GHz
If that doesn't work, try resetting the Workspaces: Reset a workspace Reset the current workspace to return to its original, saved layout of panels. 1. Do one of the following: • Click the Workspace menu icon and select Reset to Saved Layout. • Choose Window > Workspace > Reset to Saved Layout. from here: https://helpx.adobe.com/premiere-pro/using/workspaces.html
If that doesn’t work, try updating or rolling back your graphics driver directly from the video card manufacturer’s site. If NVIDIA, do a clean install of the latest Studio Driver (NOT the Game Driver).
If that doesn't work, try creating a new project and import the old one into it.