diff --git a/Cargo.lock b/Cargo.lock
index 4101e25..467941b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -82,6 +82,12 @@ version = "3.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ea184aa71bb362a1157c896979544cc23974e08fd265f29ea96b59f0b4a555b"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "cairo-rs"
 version = "0.17.10"
@@ -129,6 +135,15 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "crc32fast"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3855a8a784b474f333699ef2bbca9db2c4a1f6d9088a90a2d25b1eb53111eaa"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -145,6 +160,16 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "flate2"
+version = "1.0.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "flume"
 version = "0.10.14"
@@ -555,6 +580,24 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "gvdb"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7139233c0ecb66f285c47a3c1c02b35c8d52a42ca4c7448d0163e5637bb4bd3"
+dependencies = [
+ "byteorder",
+ "flate2",
+ "lazy_static",
+ "memmap2",
+ "quick-xml",
+ "safe-transmute",
+ "serde",
+ "serde_json",
+ "walkdir",
+ "zvariant",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.3"
@@ -583,6 +626,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+
 [[package]]
 name = "js-sys"
 version = "0.3.68"
@@ -681,6 +730,15 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
+[[package]]
+name = "memmap2"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f49388d20533534cd19360ad3d6a7dadc885944aa802ba3995040c5ec11288c6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.9.0"
@@ -885,6 +943,16 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "quick-xml"
+version = "0.29.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81b9228215d82c7b61490fec1de287136b5de6f5700f6e58ea9ad61a7964ca51"
+dependencies = [
+ "memchr",
+ "serde",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.35"
@@ -941,6 +1009,16 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "relm4-icons"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e28bcc718a587bcfa31b034e0b8f4efe5b70e945b7de9d7d154b45357a0dadc"
+dependencies = [
+ "gtk4",
+ "gvdb",
+]
+
 [[package]]
 name = "relm4-macros"
 version = "0.6.2"
@@ -967,6 +1045,27 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
+
+[[package]]
+name = "safe-transmute"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98a01dab6acf992653be49205bdd549f32f17cb2803e8eacf1560bf97259aae8"
+
+[[package]]
+name = "same-file"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
+dependencies = [
+ "winapi-util",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -999,6 +1098,17 @@ dependencies = [
  "syn 2.0.51",
 ]
 
+[[package]]
+name = "serde_json"
+version = "1.0.114"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5f09b1bd632ef549eaa9f60a1f8de742bdbc698e6cee2095fc84dde5f549ae0"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "serde_spanned"
 version = "0.6.5"
@@ -1041,6 +1151,12 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1180,6 +1296,7 @@ version = "0.0.1"
 dependencies = [
  "gettext-rs",
  "relm4",
+ "relm4-icons",
  "tracing",
  "tracing-subscriber",
 ]
@@ -1265,6 +1382,16 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "walkdir"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71d857dc86794ca4c280d616f7da00d2dbfd8cd788846559a6813e6aa4b54ee"
+dependencies = [
+ "same-file",
+ "winapi-util",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -1341,6 +1468,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
+[[package]]
+name = "winapi-util"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -1364,3 +1500,40 @@ checksum = "7a4191c47f15cc3ec71fcb4913cb83d58def65dd3787610213c649283b5ce178"
 dependencies = [
  "memchr",
 ]
+
+[[package]]
+name = "zvariant"
+version = "3.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eef2be88ba09b358d3b58aca6e41cd853631d44787f319a1383ca83424fb2db"
+dependencies = [
+ "byteorder",
+ "libc",
+ "serde",
+ "static_assertions",
+ "zvariant_derive",
+]
+
+[[package]]
+name = "zvariant_derive"
+version = "3.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37c24dc0bed72f5f90d1f8bb5b07228cbf63b3c6e9f82d82559d4bae666e7ed9"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "zvariant_utils",
+]
+
+[[package]]
+name = "zvariant_utils"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7234f0d811589db492d16893e3f21e8e2fd282e6d01b0cddee310322062cc200"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 325cf6f..b9b1df6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,3 +13,4 @@ gettext-rs = { version = "0.7", features = ["gettext-system"] }
 tracing = "0.1"
 tracing-subscriber = "0.3"
 relm4 = { version = "0.6.0", features = ["libadwaita", "gnome_44"] }
+relm4-icons = { version = "0.6.0", features = ["issue"] }
diff --git a/src/app.rs b/src/app.rs
index b59ba3f..3f7a361 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -11,8 +11,10 @@ use gtk::{gio, glib};
 
 use crate::config::{APP_ID, PROFILE};
 use crate::modals::about::AboutDialog;
+use crate::modals::unsupported::UnsupportedDialog;
 
 pub(super) struct App {
+    unsupported_dialog: Controller<UnsupportedDialog>,
     about_dialog: Controller<AboutDialog>,
 }
 
@@ -96,7 +98,15 @@ impl SimpleComponent for App {
             .launch(())
             .detach();
 
-        let model = Self { about_dialog };
+        let unsupported_dialog = UnsupportedDialog::builder()
+            .transient_for(root)
+            .launch(())
+            .detach();
+
+        let model = Self {
+            about_dialog,
+            unsupported_dialog,
+        };
 
         let widgets = view_output!();
 
@@ -116,6 +126,9 @@ impl SimpleComponent for App {
             })
         };
 
+        let sender = model.unsupported_dialog.sender().clone();
+        sender.send(()).unwrap();
+
         actions.add_action(shortcuts_action);
         actions.add_action(about_action);
         actions.register_for_widget(&widgets.main_window);
diff --git a/src/main.rs b/src/main.rs
index f2739fa..0cbb30f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -42,6 +42,7 @@ fn main() {
     app.set_accelerators_for_action::<QuitAction>(&["<Control>q"]);
 
     let app = RelmApp::from_app(app);
+    relm4_icons::initialize_icons();
 
     app.run::<App>(());
 }
diff --git a/src/modals/mod.rs b/src/modals/mod.rs
index ced7521..5e3d91c 100644
--- a/src/modals/mod.rs
+++ b/src/modals/mod.rs
@@ -1 +1,2 @@
 pub mod about;
+pub mod unsupported;
diff --git a/src/modals/unsupported.rs b/src/modals/unsupported.rs
new file mode 100644
index 0000000..79200f7
--- /dev/null
+++ b/src/modals/unsupported.rs
@@ -0,0 +1,49 @@
+use adw::StatusPage;
+use gtk::prelude::GtkWindowExt;
+use relm4::view;
+use relm4::{adw, gtk, ComponentParts, ComponentSender, SimpleComponent};
+use relm4_icons::icon_name;
+pub struct UnsupportedDialog {}
+
+impl SimpleComponent for UnsupportedDialog {
+    type Init = ();
+    type Widgets = adw::Window;
+    type Input = ();
+    type Output = ();
+    type Root = adw::Window;
+
+    fn init_root() -> Self::Root {
+        adw::Window::builder().build()
+    }
+
+    fn init(
+        _: Self::Init,
+        root: &Self::Root,
+        _sender: ComponentSender<Self>,
+    ) -> ComponentParts<Self> {
+        let model = Self {};
+
+        view! {
+                    widgets = root.clone() {
+                        set_hide_on_close: true,
+                        set_modal: true,
+                        set_resizable: false,
+                        set_default_width: 400,
+
+                        StatusPage::new() {
+                            set_icon_name: Some(icon_name::ISSUE),
+                            set_title: "Missing requirements",
+                            set_description: Some("Make sure Toolbx and Gnome Terminal are installed."),
+                            set_child: Some(&gtk::Button::with_label("Goodbye!")),
+                        },
+                }
+        }
+        // TODO: when dialgue closes close application
+        // TODO: close application on button press
+        ComponentParts { model, widgets }
+    }
+
+    fn update_view(&self, dialog: &mut Self::Widgets, _sender: ComponentSender<Self>) {
+        dialog.present();
+    }
+}