diff --git a/Cargo.lock b/Cargo.lock
index f90879a..911f69f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2224,6 +2224,7 @@ dependencies = [
  "tokio-util",
  "toml",
  "urlencoding",
+ "winresource",
 ]
 
 [[package]]
@@ -2285,6 +2286,12 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -2700,6 +2707,16 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "winresource"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba4a67c78ee5782c0c1cb41bebc7e12c6e79644daa1650ebbc1de5d5b08593f7"
+dependencies = [
+ "toml",
+ "version_check",
+]
+
 [[package]]
 name = "wit-bindgen-rt"
 version = "0.39.0"
diff --git a/Cargo.toml b/Cargo.toml
index 988e650..dd6f1d3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,6 @@ opt-level = "z"
 lto = "thin"
 strip = true
 panic = "abort"
+
+[build-dependencies]
+winresource = "0.1.20"
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..52233ae
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,13 @@
+use std::{env, io};
+
+use winresource::WindowsResource;
+
+fn main() -> Result<(), io::Error> {
+    if env::var_os("CARGO_CFG_WINDOWS").is_some() {
+        WindowsResource::new()
+            .set_icon("res/tyrolienne.ico")
+            .compile()?;
+    }
+
+    Ok(())
+}
diff --git a/res/tyrolienne.ico b/res/tyrolienne.ico
new file mode 100644
index 0000000..4bbf991
Binary files /dev/null and b/res/tyrolienne.ico differ
diff --git a/src/main.rs b/src/main.rs
index db9edd2..609d956 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -159,6 +159,8 @@ impl AsyncComponent for Tyrolienne {
                         gtk::ListBox {
                             set_selection_mode: gtk::SelectionMode::None,
                             set_css_classes: &["boxed-list"],
+                            #[watch]
+                            set_sensitive: matches!(model.step, Step::Waiting),
 
                             adw::ActionRow {
                                 set_activatable: true,
@@ -391,7 +393,6 @@ impl AsyncComponent for Tyrolienne {
     }
 }
 
-// TODO app icon (windows)
 fn main() {
     match ffmpeg::check().and_then(|_| get_config()) {
         Ok(config) => RelmApp::new("net.uku3lig.tyrolienne").run_async::<Tyrolienne>(config),
diff --git a/src/relm.rs b/src/relm.rs
index 3c84af0..b01336d 100644
--- a/src/relm.rs
+++ b/src/relm.rs
@@ -150,7 +150,6 @@ impl SimpleComponent for Toast {
 
 pub struct StandaloneDialog;
 
-// TODO: don't open a window, just give a HeaderBar to the dialog
 impl SimpleComponent for StandaloneDialog {
     type Init = String;
     type Input = ();
diff --git a/src/zipline.rs b/src/zipline.rs
index f4d8690..1744e54 100644
--- a/src/zipline.rs
+++ b/src/zipline.rs
@@ -1,6 +1,6 @@
-use std::{path::Path, sync::LazyLock};
+use std::{error::Error, fmt::Display, path::Path, sync::LazyLock};
 
-use anyhow::{Result, bail};
+use anyhow::Result;
 use futures::StreamExt;
 use relm4::Sender;
 use reqwest::{
@@ -47,6 +47,25 @@ pub struct ZiplineShortUrl {
     url: String,
 }
 
+#[derive(Debug, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ZiplineError {
+    error: String,
+    status_code: usize,
+}
+
+impl Display for ZiplineError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "An error occurred ({}): {}",
+            self.status_code, self.error
+        )
+    }
+}
+
+impl Error for ZiplineError {}
+
 impl ZiplineFileInfo {
     pub fn thumbnail_url(&self, config: &Config) -> Option<String> {
         self.thumbnail
@@ -80,7 +99,6 @@ async fn wrap_file(path: &Path, sender: Sender<ProgressMessage>) -> Result<Part>
     })
 }
 
-// TODO: make a ZiplineError type
 pub async fn get_folders(config: &Config) -> Result<Vec<ZiplineFolder>> {
     let url = format!("{}api/user/folders?noincl=true", config.fixed_url());
 
@@ -91,11 +109,7 @@ pub async fn get_folders(config: &Config) -> Result<Vec<ZiplineFolder>> {
         .await?;
 
     if res.status() != StatusCode::OK {
-        bail!(
-            "an error occurred ({}): {}",
-            res.status(),
-            res.text().await?
-        );
+        Err(res.json::<ZiplineError>().await?.into())
     } else {
         res.json().await.map_err(Into::into)
     }
@@ -125,11 +139,7 @@ pub async fn upload_file(
     let res = req.send().await?;
 
     if res.status() != StatusCode::OK {
-        bail!(
-            "an error occurred ({}): {}",
-            res.status(),
-            res.text().await?
-        );
+        Err(res.json::<ZiplineError>().await?.into())
     } else {
         res.json().await.map_err(Into::into)
     }
@@ -146,11 +156,7 @@ pub async fn recalc_thumbnails(config: &Config) -> Result<()> {
         .await?;
 
     if res.status() != StatusCode::OK {
-        bail!(
-            "an error occurred ({}): {}",
-            res.status(),
-            res.text().await?
-        );
+        Err(res.json::<ZiplineError>().await?.into())
     } else {
         Ok(())
     }
@@ -166,11 +172,7 @@ pub async fn get_file_details(config: &Config, id: &str) -> Result<ZiplineFileIn
         .await?;
 
     if res.status() != StatusCode::OK {
-        bail!(
-            "an error occurred ({}): {}",
-            res.status(),
-            res.text().await?
-        );
+        Err(res.json::<ZiplineError>().await?.into())
     } else {
         res.json().await.map_err(Into::into)
     }
@@ -193,11 +195,7 @@ pub async fn shorten_url(config: &Config, to_shorten: &str) -> Result<String> {
         .await?;
 
     if res.status() != StatusCode::OK {
-        bail!(
-            "an error occurred ({}): {}",
-            res.status(),
-            res.text().await?
-        );
+        Err(res.json::<ZiplineError>().await?.into())
     } else {
         let out: ZiplineShortUrl = res.json().await?;