Dear Catherine,

Thank you for prompt reply.
1. No. Demo stacks causes Helicon to quit just after images are loaded
2. 7.5.6 works fine, both demo and my files. Haven't yet tried running it from Lightroom

Anything else I could do to help HeliconSoft identify and fix the issue?

Regards,

Wojtek

Dear All,

After update to 7.5.8 any time I load photos HF shuts down with no warning.
Either as standalone app, or ran from Adobe Lightroom

Reinstallation, re-activation did not help
OpenCL is not active and the "performance check" shows "Excteption" message

Any ideas what to check (any logs out ...