Some solutions to this frustrating problem
How to Fix Minecraft Launcher Black Screen Issue – Windows 11/10
Despite all its features and broad compatibility, Minecraft’s Java Edition is often a buggy mess on Windows 10. And while issues with the game itself are usually minor and easily fixed, bugs in the launcher are more problematic.
Minecraft Launcher errors prevent the game from even starting properly. Many users report seeing a black screen open when they run the application. And allocating more RAM to Minecraft doesn’t solve this problem.
As frustrating as the problem is, there are a number of possible solutions. Here are all the best ways to fix the Minecraft black screen problem and get Mojang's popular game running again on your PC.