diff --git a/tools/logon.cmd b/tools/logon.cmd
index b501c41..36bd5ad 100644
--- a/tools/logon.cmd
+++ b/tools/logon.cmd
@@ -193,6 +193,10 @@ set LOCALSTATE="%LOCALAPPDATA%"\Packages\Microsoft.WindowsTerminal_8wekyb3d8bbwe
 mkdir %LOCALSTATE% 1>nul 2>nul
 copy /Y %TOOLS%\scripts\config\wt-settings.json %LOCALSTATE%\settings.json 1>nul 2>nul
 
+echo disabling RUFUS autoupdate ...
+reg add "HKCU\SOFTWARE\Akeo Consulting\Rufus" /v UpdateCheckInterval ^
+  /t REG_DWORD /d "0xffffffff" /f 1>nul
+
 rem TOTALCOMMANDER
 mkdir "%APPDATA%"\GHISLER 1>nul 2>nul
 if NOT EXIST "%APPDATA%"\GHISLER\WINCMD.ini (