diff --git a/I18N Commander/UI WinForms/Program.cs b/I18N Commander/UI WinForms/Program.cs
index f7e25a5..3bedb40 100644
--- a/I18N Commander/UI WinForms/Program.cs	
+++ b/I18N Commander/UI WinForms/Program.cs	
@@ -47,11 +47,16 @@ internal static class Program
                 {
                     serviceCollection.ImportDataAndAddDatabase(loader.Result.DataFile).ConfigureAwait(false).GetAwaiter().GetResult();
                 }
-                catch (JsonException)
+                catch (JsonException e)
                 {
-                    MessageBox.Show($"The JSON file '{loader.Result.DataFile}' is invalid and cannot be imported.", "Invalid JSON file", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    MessageBox.Show($"The JSON file '{loader.Result.DataFile}' is invalid and cannot be imported: {e.Message}", "Invalid JSON file", MessageBoxButtons.OK, MessageBoxIcon.Error);
                     Environment.Exit(100);
                 }
+                catch(Exception e)
+                {
+                    MessageBox.Show($"An error occurred while importing the JSON file '{loader.Result.DataFile}': {e.Message}", "Error while importing JSON file", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    Environment.Exit(101);
+                }
             }
         });