diff --git a/apps/desktop/src-tauri/src/commands.rs b/apps/desktop/src-tauri/src/commands.rs
index 25c18ca..0d9950e 100644
--- a/apps/desktop/src-tauri/src/commands.rs
+++ b/apps/desktop/src-tauri/src/commands.rs
@@ -1233,14 +1233,17 @@ pub async fn package_update<R: Runtime>(app: AppHandle<R>) -> Result<(), String>
 
     let total_size = response.content_length().unwrap_or(0);
     let extension = if info.install_type == "rpm" { "rpm" } else { "deb" };
+    // keep() disables auto-delete and returns a TempPath (RAII: deletes on drop)
+    // plus the raw File handle for writing. TempPath stays alive until end of
+    // function, so dpkg/rpm can access the file, and cleanup happens on all paths.
     use tempfile::Builder;
     let temp_file = Builder::new()
         .prefix("maxvideoplayer_update.")
         .suffix(&format!(".{extension}"))
         .tempfile_in(std::env::temp_dir())
         .map_err(|e| format!("Failed to create temp file: {e}"))?;
-    let tmp_path = temp_file.path().to_path_buf();
-    let mut file = tokio::fs::File::from_std(temp_file.into_file());
+    let (std_file, tmp_path) = temp_file.into_parts();
+    let mut file = tokio::fs::File::from_std(std_file);
 
     let mut stream = response.bytes_stream();
     let mut downloaded: u64 = 0;
@@ -1285,8 +1288,7 @@ pub async fn package_update<R: Runtime>(app: AppHandle<R>) -> Result<(), String>
         _ => unreachable!(),
     };
 
-    // Clean up temp file
-    let _ = std::fs::remove_file(&tmp_path);
+    // tmp_path (TempPath) auto-deletes on drop at end of function.
 
     if !output.status.success() {
         let stderr = String::from_utf8_lossy(&output.stderr);
diff --git a/apps/desktop/src-tauri/src/lib.rs b/apps/desktop/src-tauri/src/lib.rs
index 59019ca..02471ff 100644
--- a/apps/desktop/src-tauri/src/lib.rs
+++ b/apps/desktop/src-tauri/src/lib.rs
@@ -31,7 +31,7 @@ fn install_crash_handler() {
 
         let mut action: libc::sigaction = std::mem::zeroed();
         action.sa_flags = libc::SA_RESETHAND;
-        action.sa_sigaction = crash_handler as usize;
+        action.sa_sigaction = crash_handler as *const () as usize;
         libc::sigemptyset(&mut action.sa_mask);
 
         libc::sigaction(libc::SIGSEGV, &action, std::ptr::null_mut());