Crashed Thread: 81 com.apple.coremedia.videomentor
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000000000004c
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler 
Cannot open Quicktime player keep crashing when trying to open. How to fix this issue? Sinc Mojave few months back. Now upgraded to Catalina still can't open quicktime player.