We have identified a problem launching Star Effects from Lightroom on Mac, using Fusion Express 2. We are working on a permanent fix to the issue, but for now, the file below will correct the issue.Star Effects LR Fix for Mac
Topaz Labs software can be accessed in Lightroom as an External Editor. To do this, you can simply install our software from the Downloads Page, then restart Lightroom. If you do this, but cannot locate some of your plugins, please note that some of our software can use their own External Editor preset, while others must still use Fusion Express 2 to launch. The full list of products and versions that use each method is found below.