If you are seeing this error, go to the folder /Applications/Topaz Labs LLC
Ctrl + click or right click the Topaz Labs LLC folder and select "Get Info"
It will open a panel that looks like this, click the triangle icon next to "Sharing and Permissions" to expand it.
Click the lock icon in the bottom right to unlock your settings
Make sure all three groups, user group, admin group, and everyone group, have at least "Read and Write" access
Click every single one and make sure it is set to Read and Write