Happened again.
from windows events logs:
Faulting application name: iCUE.exe, version: 4.31.168.0, time stamp: 0x637256b4
Faulting module name: Qt5Core.dll, version: 5.15.2.0, time stamp: 0x5fa4dd3b
Exception code: 0xc0000409
Fault offset: 0x00000000000204e8
Faulting process id: 0x0x4824
Faulting application start time: 0x0x1D91164D98629DA
Faulting application path: C:\Program Files\Corsair\CORSAIR iCUE 4 Software\iCUE.exe
Faulting module path: C:\Program Files\Corsair\CORSAIR iCUE 4 Software\Qt5Core.dll
Report Id: 19772724-f248-4bc2-a886-9dbe02914389
Faulting package full name:
Faulting package-relative application ID: