client: solved a minor bug, where installation procedure would stop midway (with the new installer)

src/nsi/installer/install.cmd

@@ -64,6 +64,7 @@ IF NOT "!output_on_screen!"=="False" (
 )
 call :SUB_ARCHITECTURE architecture
 
+:PYTHON_CHECK_MODULE
 rem Decide whether python 2.x is installed or not
 SET "python_registry="
 :PYTHON_CHECK
@@ -145,7 +146,7 @@ IF NOT "!output_on_screen!"=="False" (
  IF NOT "!output_on_screen!"=="False" (
     @echo Python install finished, rechecking registry
  )
- GOTO UACPrompt
+ GOTO PYTHON_CHECK_MODULE
  
  rem We have Python but let's check if it's in the PATH
  :HASPYTHON