On this page? It's because your graphics hardware or driver is not supported in Polarr Photo Editor. The most common cause is an outdated graphics card. Updating your graphics driver may fix this issue.
Every PC is different, so your best bet is to follow the guidelines that Microsoft directly provides.
Microsoft - Update drivers in Windows 10
If you know the manufacturer of your cards, we'll provide the links down below.
Intel - Download drivers
NVIDIA - Download drivers
AMD - Download drivers