diff --git a/src/download_main.py b/src/download_main.py
index f8e2458..7179bcc 100644
--- a/src/download_main.py
+++ b/src/download_main.py
@@ -101,7 +101,7 @@ def download_all_packages(progress_bar, progress_label, download_location, insta
                     traceback.print_exc()
                     progress_label.set_text(f"Error processing {app_name}: {e}")
                     print(f"Error processing {app_name}: {e}")
-        install_main.install_all_packages()
+        install_main.install_all_packages(data)
     except FileNotFoundError:
         progress_label.set_text(f"Config file not found.")
         print("Config file not found.")
diff --git a/src/install_main.py b/src/install_main.py
index 62e8a24..14214ec 100644
--- a/src/install_main.py
+++ b/src/install_main.py
@@ -1,4 +1,10 @@
 
+import json_main
 
-def install_all_packages():
-    print("installing!")
\ No newline at end of file
+def install_all_packages(data):
+
+    json_main.check_package_consistency(data)
+
+    print("installing!")
+
+def install_package():
diff --git a/src/json_main.py b/src/json_main.py
index 4feaf7f..27d58f2 100644
--- a/src/json_main.py
+++ b/src/json_main.py
@@ -58,6 +58,23 @@ def save_package(version, app, source_type, source_info, package_type):
     with open(data_location, 'w') as file:
         json.dump(data, file, indent=2)
 
+def check_package_consistency(data):
+    browser_count = 0
+    style_count = 0
+
+    for package in data.get("packages", []):
+        for app, app_data in package.items():
+            if app_data["type"] == "browser":
+                browser_count += 1
+            elif app_data["type"] == "style":
+                style_count += 1
+
+    if browser_count == 1 and style_count <= 1:
+        return True
+    else:
+        print("Warning: Inconsistent package counts.")
+        return False
+
 # This function will get the package information for the given app.
 # If the app is not in .json, return an empty dictionary.
 def get_package(app):