Merge pull request #1636 from flip111/patch-3

Update README.md

Author: alanz

README.md

@@ -210,6 +210,8 @@ In order to avoid problems with long paths on Windows you can do either one of t
 
 2. If the `Local Group Policy Editor` is available on your system, go to: `Local Computer Policy -> Computer Configuration -> Administrative Templates -> System -> Filesystem` set `Enable Win32 long paths` to `Enabled`. If you don't have the policy editor you can use regedit by using the following instructions [here](https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#enable-long-paths-in-windows-10-version-1607-and-later). You also need to configure git to allow longer paths by using unicode paths. To set this for all your git repositories use `git config --system core.longpaths true` (you probably need an administrative shell for this) or for just this one repository use `git config core.longpaths true`.
 
+In addition make sure `hie.exe` is not running by closing your editor, otherwise in case of an upgrade the executable can not be installed.
+
 #### Download the source code
 
 ```bash