diff --git a/rust/src/app.rs b/rust/src/app.rs
index 362b29e..20d1418 100644
--- a/rust/src/app.rs
+++ b/rust/src/app.rs
@@ -271,14 +271,50 @@ impl SinfarInstallerApp<> {
     }
 
     pub fn start_installation(&mut self) {
-        
-   
-        // This would be spawned in a separate thread
-        //let game_type = self.game_type.clone().unwrap();
-        //let install_path = self.install_path.clone().unwrap();
-        //let ee_exe_path = self.ee_exe_path.clone();
-        
-        // Implementation with sevenz-rust would go here
-        // Update self.extraction_progress as files are extracted
+        // Use tokio runtime to handle the async installation
+        let install_path = self.install_path.clone().expect("Install path should be set");
+        let ee_exe_path = self.ee_exe_path.clone();
+        let download_state = self.download_state.clone();
+        let progress_state = self.download_state.clone();
+        let eframe_ctx = self.eframe_ctx.clone().expect("eframe context should be set");
+        let runtime = self.runtime.clone();
+        let game_type = self.game_type.clone().expect("Game type should be set");
+
+        // Create extraction manager with progress callback
+        let extractor = crate::installer::extractor::ExtractionManager::new(move |progress: f32, _filename: &str| {
+            if let Ok(mut app_state) = progress_state.lock() {
+                app_state.progress = progress;
+            }
+            eframe_ctx.request_repaint();
+        });
+
+        // Get downloaded files before spawning the async task
+        let downloaded_files = if let Ok(state) = download_state.lock() {
+            state.files.clone()
+        } else {
+            None
+        };
+
+        if let Some(files) = downloaded_files {
+            runtime.spawn(async move {
+                // Try to install the files
+                if let Err(e) = extractor.install_all_files(
+                    &files,
+                    &install_path,
+                    &game_type,
+                    ee_exe_path.as_deref()
+                ).await {
+                    if let Ok(mut app_state) = download_state.lock() {
+                        app_state.error = Some(format!("Installation failed: {}", e));
+                    }
+                } else {
+                    // Mark as complete on success
+                    if let Ok(mut app_state) = download_state.lock() {
+                        app_state.completed = true;
+                        app_state.progress = 1.0;
+                    }
+                }
+            });
+        }
     }
 }
\ No newline at end of file
diff --git a/rust/src/installer/extractor.rs b/rust/src/installer/extractor.rs
index 5275ccd..38ef29f 100644
--- a/rust/src/installer/extractor.rs
+++ b/rust/src/installer/extractor.rs
@@ -1,13 +1,13 @@
 // src/installer/extractor.rs
 use anyhow::{Result, Context};
-use sevenz_rust::{Archive, BlockDecoder, decompress};
+use sevenz_rust::decompress;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 use tokio::sync::Mutex;
-use log::{info, warn, error};
+use log::{info, error};
 use std::fs;
-use std::io::{Read, Write};
-use std::collections::HashMap;
+use std::io::Read;
+use crate::app::GameType;
 
 pub struct ExtractionManager {
     progress_callback: Arc<Mutex<Box<dyn Fn(f32, &str) + Send + Sync>>>,
@@ -25,27 +25,67 @@ impl ExtractionManager {
     
     /// Extract a 7z archive with progress reporting
     pub async fn extract_7z(&self, archive_path: &Path, output_dir: &Path) -> Result<()> {
-        info!("Extracting 7z archive: {} -> {}", archive_path.display(), output_dir.display());
+        info!("Starting extraction of 7z archive");
+        info!("Archive path: {}", archive_path.display());
+        info!("Output directory: {}", output_dir.display());
+        
+        // Check if archive exists
+        if !archive_path.exists() {
+            error!("Archive file does not exist: {}", archive_path.display());
+            return Err(anyhow::anyhow!("Archive file does not exist"));
+        }
+        
+        // Validate 7z signature
+        let mut file = fs::File::open(&archive_path)?;
+        let mut signature = [0u8; 6];
+        file.read_exact(&mut signature)?;
+        
+        // 7z files start with bytes [0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C]
+        if signature != [0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C] {
+            error!("Invalid 7z file signature: {:?}", signature);
+            return Err(anyhow::anyhow!("Invalid 7z file - got wrong signature. The downloaded file might be corrupted or might be an error page"));
+        }
+        info!("7z signature validation passed");
         
         // Make sure the output directory exists
         if !output_dir.exists() {
+            info!("Creating output directory: {}", output_dir.display());
             tokio::fs::create_dir_all(output_dir).await?;
         }
         
         // Get file size for progress calculation
         let file_size = fs::metadata(archive_path)?.len();
+        info!("Archive size: {} bytes", file_size);
         
         // We'll handle extraction in a blocking task since sevenz-rust is synchronous
         let archive_path = archive_path.to_path_buf();
         let output_dir = output_dir.to_path_buf();
         let progress_callback = self.progress_callback.clone();
         
+        info!("Starting blocking extraction task");
         tokio::task::spawn_blocking(move || -> Result<()> {
+            info!("Opening archive file for reading");
             let archive_file = fs::File::open(&archive_path)?;
-            let out = fs::create_dir_all(&output_dir)?;
             
+            info!("Starting decompression to: {}", output_dir.display());
             // decompress takes a Read + Seek and a destination directory
-            decompress(&archive_file, &output_dir)?;
+            match decompress(&archive_file, &output_dir) {
+                Ok(_) => info!("Decompression completed successfully"),
+                Err(e) => {
+                    error!("Decompression failed: {}", e);
+                    return Err(anyhow::anyhow!("Decompression failed: {}", e));
+                }
+            }
+
+            // List contents of output directory to verify extraction
+            if let Ok(entries) = fs::read_dir(&output_dir) {
+                info!("Listing extracted contents:");
+                for entry in entries {
+                    if let Ok(entry) = entry {
+                        info!("  {}", entry.path().display());
+                    }
+                }
+            }
         
             // Call progress update with 100% after decompression
             let filename = archive_path.file_name()
@@ -58,9 +98,11 @@ impl ExtractionManager {
                 callback(1.0, filename); // 100% done
             });
         
+            info!("Extraction task completed successfully");
             Ok(())
         }).await??;
         
+        info!("7z extraction process completed");
         Ok(())
     }
     
@@ -134,53 +176,78 @@ impl ExtractionManager {
         Ok(())
     }
     
-    /// Handles extraction of all downloaded files to their appropriate locations
+    /// Handles extraction of all downloaded files to their appropriate locations  
     pub async fn install_all_files(
         &self, 
         downloaded_files: &[PathBuf], 
         install_path: &Path, 
-        game_type: &str, 
+        game_type: &GameType, 
         ee_exe_path: Option<&Path>
     ) -> Result<()> {
+        info!("Starting installation of all files");
+        info!("Install path: {}", install_path.display());
+        info!("Game type: {:?}", game_type);
+        if let Some(ee_path) = ee_exe_path {
+            info!("EE executable path: {}", ee_path.display());
+        }
+
+        info!("Available downloaded files:");
+        for file in downloaded_files {
+            info!("  {}", file.display());
+        }
+
         // Find and extract the main content files
         let content_archive = downloaded_files.iter()
             .find(|p| p.file_name().map_or(false, |f| f.to_str().unwrap_or("").contains("sinfar_all_files")))
             .context("Content archive not found in downloaded files")?;
+        
+        info!("Found content archive: {}", content_archive.display());
             
         // Extract main content
+        info!("Starting extraction of main content");
         self.extract_7z(content_archive, install_path).await?;
         
         // Handle game-specific files
-        if game_type.to_lowercase() == "diamond" {
-            // For Diamond, find and copy the launcher
-            let launcher = downloaded_files.iter()
-                .find(|p| p.file_name().map_or(false, |f| f.to_str().unwrap_or("").contains("sinfarx.exe")))
-                .context("Launcher executable not found in downloaded files")?;
-                
-            // Copy launcher to install directory
-            let target_path = install_path.join("sinfarx.exe");
-            tokio::fs::copy(launcher, &target_path).await?;
-            
-        } else if game_type.to_lowercase() == "enhancededition" || game_type.to_lowercase() == "ee" {
-            // For EE, find the launcher zip
-            let launcher_zip = downloaded_files.iter()
-                .find(|p| p.file_name().map_or(false, |f| f.to_str().unwrap_or("").contains("sinfarLauncher.zip")))
-                .context("Launcher ZIP not found in downloaded files")?;
-                
-            // Extract to the EE executable directory
-            if let Some(ee_path) = ee_exe_path {
-                // Create the bin/win32_8181 directory if it doesn't exist (Windows)
-                // or bin/linux_8181 directory (Linux)
-                #[cfg(windows)]
-                let extract_dir = ee_path.join("bin").join("win32_8181");
-                
-                #[cfg(unix)]
-                let extract_dir = ee_path.join("bin").join("linux_8181");
-                
-                // Extract the launcher
-                self.extract_zip(launcher_zip, &extract_dir).await?;
-            } else {
-                return Err(anyhow::anyhow!("EE executable path is required for EE installation"));
+        info!("Processing game-specific files");
+        match game_type {
+            GameType::Diamond => {
+                info!("Installing Diamond edition launcher");
+                // For Diamond, find and copy the launcher
+                let launcher = downloaded_files.iter()
+                    .find(|p| p.file_name().map_or(false, |f| f.to_str().unwrap_or("").contains("sinfarx.exe")))
+                    .context("Launcher executable not found in downloaded files")?;
+                    
+                // Copy launcher to install directory
+                let target_path = install_path.join("sinfarx.exe");
+                info!("Copying launcher from {} to {}", launcher.display(), target_path.display());
+                tokio::fs::copy(launcher, &target_path).await?;
+                info!("Launcher copied successfully");
+            }
+            GameType::EnhancedEdition => {
+                info!("Installing Enhanced Edition launcher");
+                // For EE, find the launcher zip
+                let launcher_zip = downloaded_files.iter()
+                    .find(|p| p.file_name().map_or(false, |f| f.to_str().unwrap_or("").contains("sinfarLauncher.zip")))
+                    .context("Launcher ZIP not found in downloaded files")?;
+                    
+                // Extract to the EE executable directory
+                if let Some(ee_path) = ee_exe_path {
+                    // Create the bin/win32_8181 directory if it doesn't exist (Windows)
+                    // or bin/linux_8181 directory (Linux)
+                    #[cfg(windows)]
+                    let extract_dir = ee_path.join("bin").join("win32_8181");
+                    
+                    #[cfg(unix)]
+                    let extract_dir = ee_path.join("bin").join("linux_8181");
+                    
+                    info!("Extracting EE launcher to {}", extract_dir.display());
+                    // Extract the launcher
+                    self.extract_zip(launcher_zip, &extract_dir).await?;
+                    info!("EE launcher extracted successfully");
+                } else {
+                    error!("EE executable path is required but not provided");
+                    return Err(anyhow::anyhow!("EE executable path is required for EE installation"));
+                }
             }
         }