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219 Messages


3.9K Points

Fri, Oct 21, 2011 9:20 AM

Lightroom ICM v ICC profiles

Anyone have information on why LR has problems with display icm profiles but not icc ones?


704 Messages


8.5K Points

9 years ago

That thread indicates Lightroom, as an application, is having problems rendering controls when this display profile is active.

The first place to look is if this profile is good. Is there a way to valid it outside of the tool that makes it?

15.1K Messages


195.8K Points

9 years ago

Generally .ICM is just a different extension for ICC profiles (named for Microsoft's early implementation of ICC color management).

If you have really old profiles, they might be corrupt or not conform to the ICC standard.

Or your profiling software might have a bug.

You can validate ICC profiles using tools like ColorThink, or Apple's ColorSync Utility.