diff --git a/set-perms.bat b/set-perms.bat
index 5b141cc..f3f1367 100644
--- a/set-perms.bat
+++ b/set-perms.bat
@@ -1,6 +1,11 @@
 @echo off
 setlocal
 cd /d "%~dp0"
+if "%isTrustedInstaller%" == "1" (
+	echo Do not run this script as TrustedInstaller, run it as Administrator.
+	pause
+	goto exit
+)
 echo Setting permissions...
 icacls "%cd%" /setowner Administrators /T /C /L /Q >nul
 icacls "%cd%" /reset /T /C /L /Q >nul
@@ -8,4 +13,5 @@ icacls "%cd%" /inheritance:e /T /C /L /Q >nul
 icacls "%cd%" /inheritance:r /C /L /Q >nul
 icacls "%cd%" /setowner Administrators /T /C /L /Q >nul
 icacls "%cd%" /grant Users:(OI)(CI)RX /grant Administrators:(OI)(CI)F /grant "NT SERVICE\TrustedInstaller":(OI)(CI)F /grant SYSTEM:(OI)(CI)F /T /C /L /Q >nul
-pause
\ No newline at end of file
+pause
+:exit
\ No newline at end of file
diff --git a/ti-shell.bat b/ti-shell.bat
index 259691b..87b38d3 100644
--- a/ti-shell.bat
+++ b/ti-shell.bat
@@ -18,6 +18,7 @@ if not "%~1" == "-ti-run" (
 )
 
 endlocal & set "pyexe=%pyexe%"
+set "isTrustedInstaller=1"
 set "pyexe=%pyexe:"=%"
 set "path=%cd%\path;%path%"
 set "cmd=%*"
diff --git a/unset-perms.bat b/unset-perms.bat
index a6e0f37..72e4b17 100644
--- a/unset-perms.bat
+++ b/unset-perms.bat
@@ -1,6 +1,11 @@
 @echo off
 setlocal
 cd /d "%~dp0"
+if "%isTrustedInstaller%" == "1" (
+	echo Do not run this script as TrustedInstaller, run it as Administrator.
+	pause
+	goto exit
+)
 echo Setting permissions...
 icacls "%cd%" /reset /T /C /L /Q >nul
 pause
\ No newline at end of file