Same for me... received this exception:
Faulting application name:
BlueIris.exe, version: 5.6.0.4, time stamp: 0x6300daba
Faulting module name: BlueIris.exe, version: 5.6.0.4, time stamp: 0x6300daba
Exception code: 0xc0000005
Fault offset: 0x0000000001084040
Faulting process id: 0x1210
Faulting application start time: 0x01d8b4a474090760
Downloaded/downgraded back to 5.6.0.3 and I'm back up.
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