Hi,
Here I will collect some helpful tips & tricks. The first post in this topic will be updated regularly. For advanced users only 
Small SSD disks - How to set custom folder for Cache
- Make a new folder for the cache on your disk
- Modify shortcut of the SafeZone browser on your desktop (Shortcut tab - Target field) so it runs this command line: “C:\Program Files\AVAST Software\SZBrowser\launcher.exe” --disk-cache-dir=“X:\your_folder_for_cache” … replace X with your nonSSD disk letter
- Use this shortcut for running SafeZone browser
You cannot do it for Bank mode.
Are you a web designer? - How to enable Dev Tools?
- Run the browser this way: launcher.exe /with-feature:dev-tools
- In the top right browser menu, More Tools → Show Developer Menu, then go to this menu and you will see Developer Tools option there. Alternatively you can use classic Inspect Element option in the context menu on a website
How to check that Flash player is installed?
- Type this into the addressbar: browser://plugins
- Is Flash player listed there? Is it enabled?
- Try this test site: http://www.chemgapedia.de/vsengine/help/en/flash/
- We recommend to check Adobe website and verify that you have the latest version of the Flash player