diff --git a/main.py b/main.py
index 150d889..8c5f845 100644
--- a/main.py
+++ b/main.py
@@ -68,7 +68,7 @@ async def main():
             logging.warning(
                 "Session file is locked. Trying to kill blocking process..."
             )
-            subprocess.run(["fuser", "-k", "my_account.session"])
+            subprocess.run(["fuser", "-k", "my_account.session"], check=True)
             restart()
         raise
     except (errors.NotAcceptable, errors.Unauthorized) as e:
diff --git a/modules/open.py b/modules/open.py
index 6271f10..f207ce4 100644
--- a/modules/open.py
+++ b/modules/open.py
@@ -105,8 +105,8 @@ async def openfile(client: Client, message: Message):
         )
         content_new = f"{code_start}\n{content}{code_end}"
         paste = subprocess.run(
-            ["rentry", "new", content_new], capture_output=True, text=True
-        )
+            ["rentry", "new", content_new], capture_output=True, text=True, 
+        check=True)
         await client.send_message("me", paste.stdout, disable_web_page_preview=True)
         lines = paste.stdout.split("\n")
         for line in lines:
diff --git a/modules/updater.py b/modules/updater.py
index 8744e58..b97d637 100644
--- a/modules/updater.py
+++ b/modules/updater.py
@@ -66,8 +66,8 @@ async def update(_, message: Message):
 
     await message.edit("<b>Updating...</b>")
     try:
-        subprocess.run([sys.executable, "-m", "pip", "install", "-U", "pip"])
-        subprocess.run(["git", "pull"])
+        subprocess.run([sys.executable, "-m", "pip", "install", "-U", "pip"], check=True)
+        subprocess.run(["git", "pull"], check=True)
 
         subprocess.run(
             [
@@ -78,11 +78,11 @@ async def update(_, message: Message):
                 "-U",
                 "-r",
                 "requirements.txt",
-            ]
-        )
+            ], 
+        check=True)
         subprocess.run(
-            [sys.executable, "-m", "pip", "install", "-U", *requirements_list]
-        )
+            [sys.executable, "-m", "pip", "install", "-U", *requirements_list], 
+        check=True)
     except Exception as e:
         await message.edit(format_exc(e))
         db.remove("core.updater", "restart_info")
diff --git a/utils/scripts.py b/utils/scripts.py
index 4b62433..23f715a 100644
--- a/utils/scripts.py
+++ b/utils/scripts.py
@@ -313,8 +313,8 @@ def import_library(library_name: str, package_name: str = None):
         return importlib.import_module(library_name)
     except ImportError as exc:
         completed = subprocess.run(
-            [sys.executable, "-m", "pip", "install", package_name]
-        )
+            [sys.executable, "-m", "pip", "install", package_name], 
+        check=True)
         if completed.returncode != 0:
             raise AssertionError(
                 f"Failed to install library {package_name} (pip exited with code {completed.returncode})"