diff --git a/desktop/.gitmodules b/desktop/.gitmodules
index 8468694d..f47083b2 100644
--- a/desktop/.gitmodules
+++ b/desktop/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "src-tauri/tailscale/libtailscale"]
 	path = src-tauri/tailscale/libtailscale
 	url = https://github.com/tailscale/libtailscale.git
+[submodule "src-tauri/umu/umu-launcher"]
+	path = src-tauri/umu/umu-launcher
+	url = https://github.com/Open-Wine-Components/umu-launcher.git
diff --git a/desktop/src-tauri/Cargo.lock b/desktop/src-tauri/Cargo.lock
index 74139dbd..549056bf 100644
--- a/desktop/src-tauri/Cargo.lock
+++ b/desktop/src-tauri/Cargo.lock
@@ -1332,6 +1332,7 @@ dependencies = [
  "log",
  "log4rs",
  "md5",
+ "memfd-exec",
  "native_model",
  "parking_lot 0.12.3",
  "rayon",
@@ -1571,7 +1572,7 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
 dependencies = [
- "memoffset",
+ "memoffset 0.9.1",
  "rustc_version",
 ]
 
@@ -2948,6 +2949,16 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "memfd-exec"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e627eb44f3789e87dccac3f4c7279a608cbf14ff71f2c54f122f44a07e2ca338"
+dependencies = [
+ "libc",
+ "nix 0.26.4",
+]
+
 [[package]]
 name = "memmap"
 version = "0.7.0"
@@ -2967,6 +2978,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.9.1"
@@ -3126,6 +3146,19 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086"
 
+[[package]]
+name = "nix"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b"
+dependencies = [
+ "bitflags 1.3.2",
+ "cfg-if",
+ "libc",
+ "memoffset 0.7.1",
+ "pin-utils",
+]
+
 [[package]]
 name = "nix"
 version = "0.30.1"
@@ -3136,7 +3169,7 @@ dependencies = [
  "cfg-if",
  "cfg_aliases",
  "libc",
- "memoffset",
+ "memoffset 0.9.1",
 ]
 
 [[package]]
@@ -4032,7 +4065,7 @@ dependencies = [
  "once_cell",
  "socket2",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6152,7 +6185,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89daebc3e6fd160ac4aa9fc8b3bf71e1f74fbf92367ae71fb83a037e8bf164b9"
 dependencies = [
- "memoffset",
+ "memoffset 0.9.1",
  "tempfile",
  "winapi",
 ]
@@ -7314,7 +7347,7 @@ dependencies = [
  "futures-core",
  "futures-lite",
  "hex 0.4.3",
- "nix",
+ "nix 0.30.1",
  "ordered-stream",
  "serde",
  "serde_repr",
diff --git a/desktop/src-tauri/Cargo.toml b/desktop/src-tauri/Cargo.toml
index bf29c156..384ee59b 100644
--- a/desktop/src-tauri/Cargo.toml
+++ b/desktop/src-tauri/Cargo.toml
@@ -57,6 +57,7 @@ droplet-rs = "0.7.3"
 gethostname = "1.0.1"
 native_model = { version = "0.6.1", features = ["rmp_serde_1_3"] }
 tailscale = { path = "./tailscale" }
+memfd-exec = "0.2.1"
 
 [dependencies.dynfmt]
 version = "0.1.5"
diff --git a/desktop/src-tauri/src/database/db.rs b/desktop/src-tauri/src/database/db.rs
index 2a340878..7566519c 100644
--- a/desktop/src-tauri/src/database/db.rs
+++ b/desktop/src-tauri/src/database/db.rs
@@ -58,12 +58,14 @@ impl DatabaseImpls for DatabaseInterface {
         let games_base_dir = data_root_dir.join("games");
         let logs_root_dir = data_root_dir.join("logs");
         let cache_dir = data_root_dir.join("cache");
+        let pfx_dir = data_root_dir.join("pfx");
 
         debug!("creating data directory at {:?}", data_root_dir);
         create_dir_all(data_root_dir.clone()).unwrap();
         create_dir_all(&games_base_dir).unwrap();
         create_dir_all(&logs_root_dir).unwrap();
         create_dir_all(&cache_dir).unwrap();
+        create_dir_all(&pfx_dir).unwrap();
 
         let exists = fs::exists(db_path.clone()).unwrap();
 
diff --git a/desktop/src-tauri/src/database/models.rs b/desktop/src-tauri/src/database/models.rs
index 9a25facd..48f79b30 100644
--- a/desktop/src-tauri/src/database/models.rs
+++ b/desktop/src-tauri/src/database/models.rs
@@ -3,7 +3,7 @@ pub mod data {
     use serde::{Deserialize, Serialize};
 
     pub type GameVersion = v1::GameVersion;
-    pub type Database = v1::Database;
+    pub type Database = v2::Database;
     pub type Settings = v1::Settings;
     pub type DatabaseAuth = v1::DatabaseAuth;
 
@@ -11,6 +11,8 @@ pub mod data {
     pub type ApplicationTransientStatus = v1::ApplicationTransientStatus;
     pub type DownloadableMetadata = v1::DownloadableMetadata;
     pub type DownloadType = v1::DownloadType;
+    pub type DatabaseApplications = v1::DatabaseApplications;
+    pub type DatabaseCompatInfo = v2::DatabaseCompatInfo;
 
     pub mod v1 {
         use crate::process::process_manager::Platform;
@@ -157,8 +159,46 @@ pub mod data {
             pub prev_database: Option<PathBuf>,
             pub cache_dir: PathBuf,
         }
+    }
+
+    pub mod v2 {
+        use std::{collections::HashMap, io::ErrorKind, path::PathBuf, process::Command};
+
+        use crate::process::process_manager::UMU_LAUNCHER_EXECUTABLE;
+
+        use super::*;
+
+        #[native_model(id = 1, version = 2)]
+        #[derive(Serialize, Deserialize, Clone, Default)]
+        pub struct Database {
+            #[serde(default)]
+            pub settings: Settings,
+            pub auth: Option<DatabaseAuth>,
+            pub base_url: String,
+            pub applications: DatabaseApplications,
+            pub prev_database: Option<PathBuf>,
+            pub cache_dir: PathBuf,
+            pub compat_info: Option<DatabaseCompatInfo>,
+        }
+
+        #[native_model(id = 8, version = 2)]
+        #[derive(Serialize, Deserialize, Clone, Default)]
+
+        pub struct DatabaseCompatInfo {
+            umu_installed: bool,
+        }
 
         impl Database {
+            fn create_new_compat_info() -> Option<DatabaseCompatInfo> {
+                #[cfg(target_os = "windows")]
+                return None;
+
+                let has_umu_installed = Command::new(UMU_LAUNCHER_EXECUTABLE).spawn().is_ok();
+                Some(DatabaseCompatInfo {
+                    umu_installed: has_umu_installed,
+                })
+            }
+
             pub fn new<T: Into<PathBuf>>(
                 games_base_dir: T,
                 prev_database: Option<PathBuf>,
@@ -177,6 +217,21 @@ pub mod data {
                     auth: None,
                     settings: Settings::default(),
                     cache_dir,
+                    compat_info: Database::create_new_compat_info(),
+                }
+            }
+        }
+
+        impl From<v1::Database> for Database {
+            fn from(value: v1::Database) -> Self {
+                Self {
+                    settings: value.settings,
+                    auth: value.auth,
+                    base_url: value.base_url,
+                    applications: value.applications,
+                    prev_database: value.prev_database,
+                    cache_dir: value.cache_dir,
+                    compat_info: Database::create_new_compat_info(),
                 }
             }
         }
diff --git a/desktop/src-tauri/src/lib.rs b/desktop/src-tauri/src/lib.rs
index c726cc97..67d25821 100644
--- a/desktop/src-tauri/src/lib.rs
+++ b/desktop/src-tauri/src/lib.rs
@@ -330,7 +330,7 @@ pub fn run() {
                 ],
             )?;
 
-            TrayIconBuilder::new()
+            let trayicon_result = TrayIconBuilder::new()
                 .icon(app.default_window_icon().unwrap().clone())
                 .menu(&menu)
                 .on_menu_event(|app, event| match event.id.as_ref() {
@@ -345,8 +345,11 @@ pub fn run() {
                         warn!("menu event not handled: {:?}", event.id);
                     }
                 })
-                .build(app)
-                .expect("error while setting up tray menu");
+                .build(app);
+
+            if let Err(trayicon_error) = trayicon_result {
+                warn!("failed to set up tray icon: {}", trayicon_error.to_string())
+            }
 
             {
                 let mut db_handle = borrow_db_mut_checked();
diff --git a/desktop/src-tauri/src/process/compat.rs b/desktop/src-tauri/src/process/compat.rs
index 2b4f3076..e69de29b 100644
--- a/desktop/src-tauri/src/process/compat.rs
+++ b/desktop/src-tauri/src/process/compat.rs
@@ -1,13 +0,0 @@
-// Since this code isn't being used, we can either:
-// 1. Delete the entire file if compatibility features are not planned
-// 2. Or add a TODO comment if planning to implement later
-
-// Option 1: Delete the file
-// Delete src-tauri/src/process/compat.rs
-
-// Option 2: Add TODO comment
-/*
-TODO: Compatibility layer for running Windows games on Linux
-This module is currently unused but reserved for future implementation
-of Windows game compatibility features on Linux.
-*/
diff --git a/desktop/src-tauri/src/process/mod.rs b/desktop/src-tauri/src/process/mod.rs
index 6a1aed5d..2fc8dfd9 100644
--- a/desktop/src-tauri/src/process/mod.rs
+++ b/desktop/src-tauri/src/process/mod.rs
@@ -1,3 +1,4 @@
 pub mod commands;
+#[cfg(target_os = "linux")]
 pub mod compat;
 pub mod process_manager;
diff --git a/desktop/src-tauri/src/process/process_manager.rs b/desktop/src-tauri/src/process/process_manager.rs
index 818aaa08..de98ee66 100644
--- a/desktop/src-tauri/src/process/process_manager.rs
+++ b/desktop/src-tauri/src/process/process_manager.rs
@@ -358,7 +358,7 @@ impl ProcessHandler for NativeGameLauncher {
     }
 }
 
-const UMU_LAUNCHER_EXECUTABLE: &str = "umu-run";
+pub const UMU_LAUNCHER_EXECUTABLE: &str = "umu-run";
 struct UMULauncher;
 impl ProcessHandler for UMULauncher {
     fn create_launch_process(