diff --git a/tools/install_ewf.bat b/tools/install_ewf.bat
index b3dec492..dfc60841 100644
--- a/tools/install_ewf.bat
+++ b/tools/install_ewf.bat
@@ -9,18 +9,40 @@ echo .git >> %TMP_EXCLUDE%
 echo .svn >> %TMP_EXCLUDE%
 
 set TMP_TARGET_DIR=%1
-if -%TMP_TARGET_DIR%- == -- goto use_eiffel_library
+if -%TMP_TARGET_DIR%- == -- goto ask_target_dir
 goto start
 
+:ask_target_dir
+echo Please provide a installation directory (target library)
+if -%ISE_LIBRARY%- == -- set ISE_LIBRARY=%EIFFEL_LIBRARY%
+if -%ISE_LIBRARY%- == -- set ISE_LIBRARY=%ISE_EIFFEL%
+if -%EIFFEL_LIBRARY%- == -- set EIFFEL_LIBRARY=%ISE_LIBRARY%
+echo 1: using $EIFFEL_LIBRARY=%EIFFEL_LIBRARY%
+echo 2: using $ISE_LIBRARY=%ISE_LIBRARY%
+echo 3: using current directory=%CD%\ewf
+CHOICE /C 123q /M " > selection:"
+if .%ERRORLEVEL%. == .1. goto use_eiffel_library
+if .%ERRORLEVEL%. == .2. goto use_ise_library
+if .%ERRORLEVEL%. == .3. goto use_current_dir
+echo No target directory were specified, you can pass it using the command line
+echo Usage: install_ewf {target_directory}
+echo Bye ...
+goto end
+
 :use_eiffel_library
 if -%EIFFEL_LIBRARY%- == -- goto use_ise_library
 set TMP_TARGET_DIR=%EIFFEL_LIBRARY%
 goto start
 
 :use_ise_library
+if -%ISE_LIBRARY%- == -- goto use_current_dir
 set TMP_TARGET_DIR=%ISE_LIBRARY%
 goto start
 
+:use_current_dir
+set TMP_TARGET_DIR=%CD%\ewf
+goto start
+
 :start
 echo Install framework ewf
 mkdir %TMP_TARGET_DIR%\contrib\library\web\framework\ewf\ewsgi
diff --git a/tools/uninstall_ewf.bat b/tools/uninstall_ewf.bat
index 75ade194..daa94bde 100644
--- a/tools/uninstall_ewf.bat
+++ b/tools/uninstall_ewf.bat
@@ -2,19 +2,42 @@
 setlocal
 set RDCMD= rd /q/s
 
+
 set TMP_TARGET_DIR=%1
-if -%TMP_TARGET_DIR%- == -- goto use_eiffel_library
+if -%TMP_TARGET_DIR%- == -- goto ask_target_dir
 goto start
 
+:ask_target_dir
+echo Please provide a installation directory (target library)
+if -%ISE_LIBRARY%- == -- set ISE_LIBRARY=%EIFFEL_LIBRARY%
+if -%ISE_LIBRARY%- == -- set ISE_LIBRARY=%ISE_EIFFEL%
+if -%EIFFEL_LIBRARY%- == -- set EIFFEL_LIBRARY=%ISE_LIBRARY%
+echo 1: using $EIFFEL_LIBRARY=%EIFFEL_LIBRARY%
+echo 2: using $ISE_LIBRARY=%ISE_LIBRARY%
+echo 3: using current directory=%CD%\ewf
+CHOICE /C 123q /M " > selection:"
+if .%ERRORLEVEL%. == .1. goto use_eiffel_library
+if .%ERRORLEVEL%. == .2. goto use_ise_library
+if .%ERRORLEVEL%. == .3. goto use_current_dir
+echo No target directory were specified, you can pass it using the command line
+echo Usage: install_ewf {target_directory}
+echo Bye ...
+goto end
+
 :use_eiffel_library
 if -%EIFFEL_LIBRARY%- == -- goto use_ise_library
 set TMP_TARGET_DIR=%EIFFEL_LIBRARY%
 goto start
 
 :use_ise_library
+if -%ISE_LIBRARY%- == -- goto use_current_dir
 set TMP_TARGET_DIR=%ISE_LIBRARY%
 goto start
 
+:use_current_dir
+set TMP_TARGET_DIR=%CD%\ewf
+goto start
+
 :start
 echo Uninstall framework: ewf
 %RDCMD% %TMP_TARGET_DIR%\contrib\library\web\framework\ewf