[ERROR]: could not open window with GLFW3

[Petrkiller2]

Thank you for your interest in MIDIVisualizer, and thank you for reporting issues! Don't forget to check the troubleshooting section, there might be information related to your issue. Don't forget to also check if other people have reported a similar issue on the dedicated page. Finally, make sure that you are using the latest version listed on the releases page.

Please help me pinpoint (and hopefully fix) the issue more quickly by filling in the information below. If you are not sure about some of the details asked below, don't worry, you can leave them blank. Describe the issue A clear description of what issue you have encountered. If you think it's useful, you can add screenshots, links or gifs.
If you encounter the issue with specific MIDI files, it would be awesome if you could share one of them with me, so that I can replicate the issue on my side.

Hardware info:

• OS: [e.g. Windows, macOS], if possible give the OS version and, for Windows, if it's 32 or 64 bits.
• MIDIVisualizer version (3.4, 4.1, etc.).
• GPU model (Nvidia GeForce 1080, AMD Radeon HD5000, etc.)
• RAM available

Please don't forget that MIDIVisualizer is a personal project that I maintain on my free time, free to use and open source :)

[kosua20]

Hi, thank your for reporting this! Usually this happens when MIDIVisualizer runs on a computer with a GPU that doesn't support OpenGL 3.2 (another user had a similar issue, see #117 ). You might want to check which GPU you are using and make sure that the drivers for it are up-to-date.