diff --git a/Cargo.lock b/Cargo.lock
index 8a1298f..fcf8366 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1757,7 +1757,7 @@ checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
 
 [[package]]
 name = "lemur"
-version = "0.2.5"
+version = "0.2.7"
 dependencies = [
  "anyhow",
  "atoi",
diff --git a/Cargo.toml b/Cargo.toml
index c757995..06a79ea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ description = "An emulator for the Virtual Boy."
 repository = "https://git.virtual-boy.com/PVB/lemur"
 publish = false
 license = "MIT"
-version = "0.2.5"
+version = "0.2.7"
 edition = "2021"
 
 [dependencies]
diff --git a/shrooms-vb-core b/shrooms-vb-core
index 06849b5..57dcd83 160000
--- a/shrooms-vb-core
+++ b/shrooms-vb-core
@@ -1 +1 @@
-Subproject commit 06849b54ba7f7fd8bba09e1cf8a8cc9107ec269b
+Subproject commit 57dcd8370a885541ae6a1de0f35b25675728b226
diff --git a/src/app.rs b/src/app.rs
index a821c07..a421b5e 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -269,17 +269,23 @@ impl Viewport {
         });
         egui_extras::install_image_loaders(&ctx);
 
-        let mut painter = egui_wgpu::winit::Painter::new(
-            ctx.clone(),
-            egui_wgpu::WgpuConfiguration {
-                present_mode: wgpu::PresentMode::AutoNoVsync,
-                ..egui_wgpu::WgpuConfiguration::default()
-            },
-            1,
-            None,
-            false,
-            true,
-        );
+        #[allow(unused_mut)]
+        let mut wgpu_config = egui_wgpu::WgpuConfiguration {
+            present_mode: wgpu::PresentMode::AutoNoVsync,
+            ..egui_wgpu::WgpuConfiguration::default()
+        };
+        #[cfg(windows)]
+        {
+            if let egui_wgpu::WgpuSetup::CreateNew {
+                supported_backends, ..
+            } = &mut wgpu_config.wgpu_setup
+            {
+                *supported_backends -= wgpu::Backends::VULKAN;
+            }
+        }
+
+        let mut painter =
+            egui_wgpu::winit::Painter::new(ctx.clone(), wgpu_config, 1, None, false, true);
 
         let mut info = ViewportInfo::default();
         let mut builder = app.initial_viewport();
diff --git a/src/emulator/shrooms_vb_core.rs b/src/emulator/shrooms_vb_core.rs
index 26aa0cd..147992a 100644
--- a/src/emulator/shrooms_vb_core.rs
+++ b/src/emulator/shrooms_vb_core.rs
@@ -190,7 +190,8 @@ impl Sim {
         let memory = vec![0u64; size.div_ceil(4)];
         let sim: *mut VB = Box::into_raw(memory.into_boxed_slice()).cast();
         unsafe { vb_init(sim) };
-        unsafe { vb_set_option(sim, VBOption::PseudoHalt, 1) };
+        // pseudohalt is disabled due to breaking red alarm
+        unsafe { vb_set_option(sim, VBOption::PseudoHalt, 0) };
         unsafe { vb_set_keys(sim, VBKey::SGN.bits()) };
         unsafe { vb_reset(sim) };