Crashes of CEP

Since today, Color Efex Pro won’t start anymore.

I always get the next warning:

I already emptied the Appdata/local/dxo/color Efex Pro 4 folder, reinstalled the whole NIK suite, but nothing is helping.

Opening Efex Pro standalone also crashes the plugin. Opening it from Afinity is working as expected.

Anybody any idea how to fix this?

Did something happen to your computer recently? A power outage or other problem?

You might need to submit a support request at But if this only just started happening it would be good to check your computer for file corruption. Here’s a good way to do that:

How to Repair Corrupted Windows System Files with the SFC and DISM Commands (

thanks for your tips! I tested the system files check, but no solution.

But I found something other:

“Found more GPUs via WMI than EnumDisplayDevices.”

I use a displaylink adapter for my second screen. When I set my second screen as the main screen in Windows. I get this strange error. It seems that the drivers are not working very well.