eRuby not installed

eRuby interpreter was not found.

Please install the eRuby interpreter:

1. Download eRuby
2. Install or unpack the downloaded package
3. Open Options -> Preferences -> Preview -> Script Preview
4. Click Web Server Settings
5. Enter the path to eruby.exe file (a part of eRuby interpreter)

Tip: To find eRuby interpreter, search the web for eruby-1.0.5-i386-mswin32-1.8.zip