diff --git a/service.bat b/service.bat
index bf8685e..538c8fb 100644
--- a/service.bat
+++ b/service.bat
@@ -9,6 +9,8 @@ if "%~1"=="status_zapret" (
 )
 
 if "%~1"=="check_updates" (
+    if defined NO_UPDATE_CHECK exit /b
+
     if exist "%~dp0utils\check_updates.enabled" (
         if not "%~2"=="soft" (
             start /b service check_updates soft
diff --git a/utils/test zapret.ps1 b/utils/test zapret.ps1
index 37742cf..abf29bc 100644
--- a/utils/test zapret.ps1	
+++ b/utils/test zapret.ps1	
@@ -593,6 +593,7 @@ function Restore-WinwsSnapshot {
     }
 }
 
+$env:NO_UPDATE_CHECK = "1"
 $originalWinws = Get-WinwsSnapshot
 
 Write-Host ""