Added failsafe to allow minecraft to launch if update server cant be

contacted

Backend.py

@@ -9,6 +9,7 @@ import datetime
 
 
 def perform_installation(instance_name, prism_command, prism_instance_path):
+    try:
         ftp = FTP("gitea.piwalker.net")
         ftp.login()
         ftp.prot_p()
@@ -49,7 +50,9 @@ def perform_installation(instance_name, prism_command, prism_instance_path):
                             version = fp.readline().rstrip()
                     if version == versions[-1]["Version"]:
                         break
-    
+    except:
+        print("Unable to check for updates. Modpack may be out of date")
+    finally:
         # Launching PrismLauncher with the instance
         subprocess.run([prism_command, '-l', instance_name])