diff --git a/backend.py b/backend.py
index 2c6c3a3..1c931a0 100644
--- a/backend.py
+++ b/backend.py
@@ -1,6 +1,6 @@
 import platform
 import requests
-from os import popen,remove,mkdir,_exit
+from os import popen,remove,mkdir
 from time import sleep
 import re
 import pathlib
@@ -20,7 +20,7 @@
 if OS == 'Linux' :
     APPDATA = f"{pathlib.Path.home()}/.gvm_data/"
 elif OS == 'Windows' :
-    APPDATA =f"{pathlib.Path.home()}AppData/Roaming/GVM/"
+    APPDATA =f"{pathlib.Path.home()}\\AppData\\Roaming\\GVM\\"
 
 FIRSTOPEN = not pathlib.Path(f"{APPDATA}settings.json").exists()
 
@@ -31,6 +31,7 @@
         pass
     finally :
         open(f"{APPDATA}settings.json",'w').write(json.dumps({'appPath':'','token':''}))
+            
 
 SETTINGS = json.load(open(f"{APPDATA}settings.json",'r'))
 
@@ -77,6 +78,9 @@
 
 def downloadGodot(cur_version: str,mono: str) -> int :
 
+    if not pathlib.Path(APP_PATH).exists() :
+        return 1
+
     response = requestGitHubInfo()
 
     VERSION = cur_version
@@ -144,6 +148,9 @@
 
 def launch(cur_version: str, mono: str) -> int :
 
+    if not pathlib.Path(APP_PATH).exists() :
+        return 1
+
     VERSION = cur_version.split('-')[0]
 
     appDir = pathlib.Path(APP_PATH)