MS Windows 10 Professional (Fall Creators Update) x64
Mozilla Firefox 59.0.2 x64
NoScript v10.1.7.5
i.e.
Go to your 'Google Drive'.
Open an MS Word file.
Attempting to open an MS Word file using 'Open with Google Docs' results in a hang.
Workaround:
Set Firefox config option browser.link.open_newwindow to 2 (new window), or 3 (new tab).
If browser.link.open_newwindow is set to 1, Firefox will hang trying to open the file within the same tab.
Google Drive MS Office file opening issues
Google Drive MS Office file opening issues
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0