Problem Details:
So I was looking at the different settings when I decided to enable compatibility mode for no reason, I was just curious. Now osu! crashes before starting. It used to work just fine before that.


It shows an "osu! crashed" image (couldnt paste the pic here for some reason) and when I click on it it gives me this:
OpenTK.Graphics.GraphicsContextException: [EGL] Failed to create window surface, error BAD_NATIVE_WINDOW.
en OpenTK.Platform.Egl.EglWindowInfo.CreateWindowSurface(IntPtr config)
en OpenTK.Platform.Egl.EglContext..ctor(GraphicsMode mode, EglWindowInfo window, IGraphicsContext sharedContext, Int32 major, Int32 minor, GraphicsContextFlags flags)
en OpenTK.Platform.Egl.EglAnglePlatformFactory.CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, Boolean directRendering, Int32 major, Int32 minor, GraphicsContextFlags flags)
en OpenTK.Graphics.GraphicsContext..ctor(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, Int32 major, Int32 minor, GraphicsContextFlags flags)
en #=qGGjzPDa6yIXcp7vrCxgLQVPMEa6CNfiFuU4OCHo4m7rdaZsNqjY_F5SPZZXAOGbI.#=qz3ZDym5NRckx2OT3WeCuPQ==(Int32 #=qUo5o3zL$QV4f0lZ$8lcSJA==, Int32 #=qq3gQ0clIYzJVAbbdfpbmOQ==, GraphicsContextFlags #=qWRuConKI_vEBxs$cKDRcSg==)
en #=qtg6ZA_hVJBHOPviWwTOPA5y7yI_ZT9ijoIVpqvgAaamuOpU0E34IldShq4Ixa_QC.OnHandleCreated(EventArgs #=qm$NOFKdyu0Rafj1wntOkgA==)
en #=q4qTraJUKsLQlO4eNOTrIlplYE2ri1va0U9k3DwX4xH8isLQPtpvcAX$yqNNUereO.OnHandleCreated(EventArgs #=qm$NOFKdyu0Rafj1wntOkgA==)
en System.Windows.Forms.Control.WmCreate(Message& m)
en System.Windows.Forms.Control.WndProc(Message& m)
en System.Windows.Forms.ScrollableControl.WndProc(Message& m)
en System.Windows.Forms.Form.WmCreate(Message& m)
en System.Windows.Forms.Form.WndProc(Message& m)
en #=qQrYvXY6QTwaDQPjJgHdOavagHTlZqj_K7dNRdSDjfdE=.WndProc(Message& #=qgTekk8rm$cyUopAMGtO6wQ==)
en System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
en System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


osu! version: 20170731.2 (latest)

Open your osu!.pcname.cfg file with Notepad and change "CompatibilityContext" to 0, save and then launch osu!.

You can find this file in your osu! folder (default path is appdata/local/osu!/)

Nevermind, I found it. Thanks a lot!