Added Windows specific installation instructions

ParameterCatalogs2Creation.adoc

@@ -118,9 +118,15 @@ Depending on the operating system, several security dialogs have to be acknowled
 
 After the 400 something MB package has arrived, unzip the downloaded file and move the resulting application named `ObeoDesigner-Community` into `Applications` on macOS, `Programs` on Windows, or similar on Linux.
 
-[NOTE]
+[WARNING]
+====
+**Special installation note for Windows**: We found that no plug-ins can be added to Obeo Designer, **if** it is installed in folder _Programs_ or _Programs (x86)_. Since we have to add plug-ins for handling units and quantities below, please make sure to unzip the installation package elsewhere, e.g. the Desktop or the user's home directory.
+
+====
+
+[WARNING]
 ====
-Special installation note for macOS: As Obeo Designer currently is not code-signed, macOS consideres it as damaged. To work around this security feature, remove the quarantine status of the program like so:
+**Special installation note for macOS**: As Obeo Designer currently is not code-signed, macOS consideres it as damaged. To work around this security feature, remove the quarantine status of the program like so:
 
 . Open a terminal in the folder containing the .app file
 . Execute: xattr -d com.apple.quarantine ObeoDesigner-Community.app