SUMMARY Main window is transparent, showing all desktop icons. The canvas colors are added to everyting on the desktop. The submenus and Setting dialog look normal. Both Direct3D 11 and CPU only work fine. STEPS TO REPRODUCE 1. Default installation (4.2.6 or newer) 2. Start Krita OBSERVED RESULT Transparent main window / canvas, its colors are added to the desktop. EXPECTED RESULT Main window colors should replace the desktop. SOFTWARE/OS VERSIONS Krita Version: 4.2.7.1 Languages: en_GB, en_US Hidpi: false Qt Version (compiled): 5.12.5 Version (loaded): 5.12.5 OS Information Build ABI: x86_64-little_endian-llp64 Build CPU: x86_64 CPU: x86_64 Kernel Type: winnt Kernel Version: 10.0.18362 Pretty Productname: Windows 10 (10.0) Product Type: windows Product Version: 10 Hardware Information GeForce GTX 690/PCIe/SSE2, v4.6.0 NVIDIA 436.48 Shading language: "4.60 NVIDIA" ADDITIONAL INFORMATION
It's a known bug in some nvidia opengl drivers. The solution is to use the Angle D3D renderer instead. *** This bug has been marked as a duplicate of bug 407693 ***