Linux Mint 18, GTX 660 Ti
Broken: 2.77a.abf6f08; 2.78.4bb1e22
Short description of error
If any custom icon is currently visible in Blender window, then Blender crashes while add-on is being unregistred.
Exact steps for others to reproduce the error
- Install add-on from "previews_bug.zip" by copying "previews_addon.py" and "icons" folder to "scripts/addons" folder
- Once installed enable addon "Previews Example" in User Preferences
- In 3D View open Tool Shelf and select "Previews" tab. You should see 10 buttons with custom icons (all look the same
- Now open up User Preferences again and rapidly enable and disable this addon. Blender will crash soon.