problem
ctrl+w first add a new tab and then close the current one.
solve
Just delete version.dll. But the portable version of Greening is invalid. You can download the dll file
https://wwi.lanzous.com/b05ssq8hi password 3lwe
Download both version.dll and description.txt.
Put the description .txt in the Google Chrome directory, and
put version.dll in the App directory of the Google Chrome directory.