DigitalVolcano Software Support

Thanks for the tips.

Because I did not understand the error message from the log file and lacking further information, I de-installed and re-installed DC pro 5.
Now it works.

Versions 4 and 5 do not share settings, so they won't affect each other.
It's more likely that something in Windows is causing the crash when it tries to gather your local drives/folders on the Scan location tab.

Is there anything in the Windows event log?

To view the event log after it crashes ...

From the logs:

Dutch

Naam van toepassing met fout: Duplicate Cleaner 5.exe, versie: 5.24.0.0, tijdstempel: 0x6745b703
Naam van module met fout: KERNELBASE.dll, versie: 10.0.19041.5369, tijdstempel: 0xc3ec0adc
Uitzonderingscode: 0xe0434352
Foutmarge: 0x000000000003b699
Id van proces met fout ...

Yesterday I upgraded Duplicate Cleaner Pro from v.4 to v.5.
When clicking the tab Scan Location the program (v.5) is closed.
V.4 still works correctly.
What could be wrong?