diff --git a/__init__.py b/__init__.py
index 2daa216c..c3b7f0f9 100644
--- a/__init__.py
+++ b/__init__.py
@@ -13,12 +13,13 @@ import threading
 import re
 import shutil
 from datetime import datetime
+import git
 
 from server import PromptServer
 from .glob import manager_core as core
 import cm_global
 
-version = [2, 18, 3]
+version = [2, 18, 4]
 version_str = f"V{version[0]}.{version[1]}" + (f'.{version[2]}' if len(version) > 2 else '')
 print(f"### Loading: ComfyUI-Manager ({version_str})")
 
@@ -127,27 +128,25 @@ def set_double_click_policy(mode):
 
 
 def print_comfyui_version():
-    global comfy_ui_revision
-    global comfy_ui_commit_datetime
     global comfy_ui_hash
 
     is_detached = False
     try:
         repo = git.Repo(os.path.dirname(folder_paths.__file__))
-        comfy_ui_revision = len(list(repo.iter_commits('HEAD')))
+        core.comfy_ui_revision = len(list(repo.iter_commits('HEAD')))
 
         comfy_ui_hash = repo.head.commit.hexsha
-        cm_global.variables['comfyui.revision'] = comfy_ui_revision
+        cm_global.variables['comfyui.revision'] = core.comfy_ui_revision
 
-        comfy_ui_commit_datetime = repo.head.commit.committed_datetime
-        cm_global.variables['comfyui.commit_datetime'] = comfy_ui_commit_datetime
+        core.comfy_ui_commit_datetime = repo.head.commit.committed_datetime
+        cm_global.variables['comfyui.commit_datetime'] = core.comfy_ui_commit_datetime
 
         is_detached = repo.head.is_detached
         current_branch = repo.active_branch.name
 
         try:
-            if comfy_ui_commit_datetime.date() < core.comfy_ui_required_commit_datetime.date():
-                print(f"\n\n## [WARN] ComfyUI-Manager: Your ComfyUI version ({comfy_ui_revision})[{comfy_ui_commit_datetime.date()}] is too old. Please update to the latest version. ##\n\n")
+            if core.comfy_ui_commit_datetime.date() < core.comfy_ui_required_commit_datetime.date():
+                print(f"\n\n## [WARN] ComfyUI-Manager: Your ComfyUI version ({core.comfy_ui_revision})[{core.comfy_ui_commit_datetime.date()}] is too old. Please update to the latest version. ##\n\n")
         except:
             pass
 
@@ -155,7 +154,7 @@ def print_comfyui_version():
         if 'cm.on_revision_detected_handler' in cm_global.variables:
             for k, f in cm_global.variables['cm.on_revision_detected_handler']:
                 try:
-                    f(comfy_ui_revision)
+                    f(core.comfy_ui_revision)
                 except Exception:
                     print(f"[ERROR] '{k}' on_revision_detected_handler")
                     traceback.print_exc()
@@ -166,12 +165,12 @@ def print_comfyui_version():
         # <--
 
         if current_branch == "master":
-            print(f"### ComfyUI Revision: {comfy_ui_revision} [{comfy_ui_hash[:8]}] | Released on '{comfy_ui_commit_datetime.date()}'")
+            print(f"### ComfyUI Revision: {core.comfy_ui_revision} [{comfy_ui_hash[:8]}] | Released on '{core.comfy_ui_commit_datetime.date()}'")
         else:
-            print(f"### ComfyUI Revision: {comfy_ui_revision} on '{current_branch}' [{comfy_ui_hash[:8]}] | Released on '{comfy_ui_commit_datetime.date()}'")
+            print(f"### ComfyUI Revision: {core.comfy_ui_revision} on '{current_branch}' [{comfy_ui_hash[:8]}] | Released on '{core.comfy_ui_commit_datetime.date()}'")
     except:
         if is_detached:
-            print(f"### ComfyUI Revision: {comfy_ui_revision} [{comfy_ui_hash[:8]}] *DETACHED | Released on '{comfy_ui_commit_datetime.date()}'")
+            print(f"### ComfyUI Revision: {core.comfy_ui_revision} [{comfy_ui_hash[:8]}] *DETACHED | Released on '{core.comfy_ui_commit_datetime.date()}'")
         else:
             print("### ComfyUI Revision: UNKNOWN (The currently installed ComfyUI is not a Git repository)")
 
@@ -1161,12 +1160,12 @@ async def get_notice(request):
 
                 if match:
                     markdown_content = match.group(1)
-                    markdown_content += f"<HR>ComfyUI: {comfy_ui_revision}[{comfy_ui_hash[:6]}]({comfy_ui_commit_datetime.date()})"
+                    markdown_content += f"<HR>ComfyUI: {core.comfy_ui_revision}[{comfy_ui_hash[:6]}]({core.comfy_ui_commit_datetime.date()})"
                     # markdown_content += f"<BR>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;()"
                     markdown_content += f"<BR>Manager: {version_str}"
 
                     try:
-                        if core.comfy_ui_required_commit_datetime.date() > comfy_ui_commit_datetime.date():
+                        if core.comfy_ui_required_commit_datetime.date() > core.comfy_ui_commit_datetime.date():
                             markdown_content = f'<P style="text-align: center; color:red; background-color:white; font-weight:bold">Your ComfyUI is too OUTDATED!!!</P>' + markdown_content
                     except:
                         pass
diff --git a/glob/manager_core.py b/glob/manager_core.py
index fef89096..eb827694 100644
--- a/glob/manager_core.py
+++ b/glob/manager_core.py
@@ -255,7 +255,7 @@ def try_install_script(url, repo_path, install_cmd, instant_execution=False):
         print(f"\n## ComfyUI-Manager: EXECUTE => {install_cmd}")
         code = manager_funcs.run_script(install_cmd, cwd=repo_path)
 
-        if platform.system() == "Windows":
+        if platform.system() != "Windows":
             try:
                 if comfy_ui_commit_datetime.date() < comfy_ui_required_commit_datetime.date():
                     print("\n\n###################################################################")