diff --git a/internal/glfwwin/wglcontext_windows.go b/internal/glfwwin/wglcontext_windows.go
index 78fff324e..f5a6bc33e 100644
--- a/internal/glfwwin/wglcontext_windows.go
+++ b/internal/glfwwin/wglcontext_windows.go
@@ -242,9 +242,8 @@ func swapBuffersWGL(window *Window) error {
 		// HACK: Use DwmFlush when desktop composition is enabled
 		if enabled {
 			for i := 0; i < window.context.wgl.interval; i++ {
-				if err := _DwmFlush(); err != nil {
-					return err
-				}
+				// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+				_ = _DwmFlush()
 			}
 		}
 	}
@@ -269,10 +268,10 @@ func swapIntervalWGL(interval int) error {
 		enabled := _IsWindows8OrGreater()
 
 		if !enabled {
-			var err error
-			enabled, err = _DwmIsCompositionEnabled()
-			if err != nil {
-				return err
+			e, err := _DwmIsCompositionEnabled()
+			// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+			if err == nil {
+				enabled = e
 			}
 		}
 
diff --git a/internal/glfwwin/win32window_windows.go b/internal/glfwwin/win32window_windows.go
index e91e05671..3d00d5711 100644
--- a/internal/glfwwin/win32window_windows.go
+++ b/internal/glfwwin/win32window_windows.go
@@ -368,7 +368,8 @@ func (w *Window) updateFramebufferTransparency() error {
 
 	composition, err := _DwmIsCompositionEnabled()
 	if err != nil {
-		return err
+		// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+		return nil
 	}
 	if !composition {
 		return nil
@@ -378,7 +379,8 @@ func (w *Window) updateFramebufferTransparency() error {
 	if !_IsWindows8OrGreater() {
 		_, opaque, err = _DwmGetColorizationColor()
 		if err != nil {
-			return err
+			// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+			return nil
 		}
 	}
 
@@ -394,9 +396,9 @@ func (w *Window) updateFramebufferTransparency() error {
 			hRgnBlur: region,
 			fEnable:  1, // true
 		}
-		if err := _DwmEnableBlurBehindWindow(w.win32.handle, &bb); err != nil {
-			return err
-		}
+
+		// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+		_ = _DwmEnableBlurBehindWindow(w.win32.handle, &bb)
 	} else {
 		// HACK: Disable framebuffer transparency on Windows 7 when the
 		//       colorization color is opaque, because otherwise the window
@@ -405,9 +407,9 @@ func (w *Window) updateFramebufferTransparency() error {
 		bb := _DWM_BLURBEHIND{
 			dwFlags: _DWM_BB_ENABLE,
 		}
-		if err := _DwmEnableBlurBehindWindow(w.win32.handle, &bb); err != nil {
-			return err
-		}
+
+		// Ignore an error from DWM functions as they might not be implemented e.g. on Proton (#2113).
+		_ = _DwmEnableBlurBehindWindow(w.win32.handle, &bb)
 	}
 	return nil
 }