I'm having a strange issue. When I'm in tablet mode and use a desktop app like CCleaner or anything that uses desktop mode, when I close the app and the tablet goes back into tablet mode, all the tiles for the native Win 10 apps have lost their graphics. Only the text remains on some and the apps I got from the store, like eBay, Amazon, and Netflix have completely blank white tiles. Going into desktop mode and then back to tablet brings the tiles back. This did not happen before Avast was installed. Everything was fine with just Defender running.