If you have "Ask where to save each file before downloading" enabled in the settings, then you will have to give Chromium a location each time archiveror will try to locally save your bookmarks.
Workaround: disable "Ask where to save each file before downloading" in settings. (Click on "Show advanced settings..." at the bottom, the option is at the "Downloads" section.)
If you have "Ask where to save each file before downloading" enabled in the settings, then you will have to give Chromium a location each time archiveror will try to locally save your bookmarks.
This is a bug in Chromium: https://code.google.com/p/chromium/issues/detail?id=417112. Please star the issue if you'd like to see this fixed.
Workaround: disable "Ask where to save each file before downloading" in settings. (Click on "Show advanced settings..." at the bottom, the option is at the "Downloads" section.)